102202303020021 has 32 divisors (see below), whose sum is σ = 151855704000000. Its totient is φ = 67934698968384.

The previous prime is 102202303020011. The next prime is 102202303020061. The reversal of 102202303020021 is 120020303202201.

102202303020021 is a `hidden beast` number, since 10 + 220 + 230 + 3 + 0 + 200 + 2 + 1 = 666.

It is not a de Polignac number, because 102202303020021 - 2⁵ = 102202303019989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102202303019976 and 102202303020003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102202303020001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131525191 + ... + 132299963.

It is an arithmetic number, because the mean of its divisors is an integer number (4745490750000).

Almost surely, 2^{102202303020021} is an apocalyptic number.

It is an amenable number.

102202303020021 is a deficient number, since it is larger than the sum of its proper divisors (49653400979979).

102202303020021 is a wasteful number, since it uses less digits than its factorization.

102202303020021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789130 (or 789124 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 102202303020021 its reverse (120020303202201), we get a palindrome (222222606222222).

The spelling of 102202303020021 in words is "one hundred two trillion, two hundred two billion, three hundred three million, twenty thousand, twenty-one".