1021020202201 has 32 divisors (see below), whose sum is σ = 1123164766080. Its totient is φ = 924712588800.

The previous prime is 1021020202199. The next prime is 1021020202207. The reversal of 1021020202201 is 1022020201201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1021020202201 - 2¹ = 1021020202199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1021020202207) 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, 33468511 + ... + 33499003.

It is an arithmetic number, because the mean of its divisors is an integer number (35098898940).

Almost surely, 2^{1021020202201} is an apocalyptic number.

It is an amenable number.

1021020202201 is a deficient number, since it is larger than the sum of its proper divisors (102144563879).

1021020202201 is a wasteful number, since it uses less digits than its factorization.

1021020202201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31417.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1021020202201 its reverse (1022020201201), we get a palindrome (2043040403402).

It can be divided in two parts, 1021020 and 202201, that added together give a palindrome (1223221).

The spelling of 1021020202201 in words is "one trillion, twenty-one billion, twenty million, two hundred two thousand, two hundred one".