102201002100122 has 4 divisors (see below), whose sum is σ = 153301503150186. Its totient is φ = 51100501050060.

The previous prime is 102201002100101. The next prime is 102201002100151. The reversal of 102201002100122 is 221001200102201.

102201002100122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 82101014243521 + 20099987856601 = 9060961^2 + 4483301^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102201002100097 and 102201002100106.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25550250525029 + ... + 25550250525032.

Almost surely, 2^{102201002100122} is an apocalyptic number.

102201002100122 is a deficient number, since it is larger than the sum of its proper divisors (51100501050064).

102201002100122 is an equidigital number, since it uses as much as digits as its factorization.

102201002100122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51100501050063.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 102201002100122 its reverse (221001200102201), we get a palindrome (323202202202323).

The spelling of 102201002100122 in words is "one hundred two trillion, two hundred one billion, two million, one hundred thousand, one hundred twenty-two".