122121201102102 has 32 divisors (see below), whose sum is σ = 271773182789760. Its totient is φ = 40648156649640.

The previous prime is 122121201102079. The next prime is 122121201102113. The reversal of 122121201102102 is 201201102121221.

122121201102102 is a `hidden beast` number, since 1 + 221 + 2 + 120 + 110 + 210 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1636361908 + ... + 1636436535.

It is an arithmetic number, because the mean of its divisors is an integer number (8492911962180).

Almost surely, 2^{122121201102102} is an apocalyptic number.

122121201102102 is an abundant number, since it is smaller than the sum of its proper divisors (149651981687658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122121201102102 is a wasteful number, since it uses less digits than its factorization.

122121201102102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3272799145 (or 3272799139 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 122121201102102 its reverse (201201102121221), we get a palindrome (323322303223323).

The spelling of 122121201102102 in words is "one hundred twenty-two trillion, one hundred twenty-one billion, two hundred one million, one hundred two thousand, one hundred two".