122122121220102 has 32 divisors (see below), whose sum is σ = 245056987786464. Its totient is φ = 40571960480000.

The previous prime is 122122121220097. The next prime is 122122121220103. The reversal of 122122121220102 is 201022121221221.

It is a super-2 number, since 2×122122121220102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122122121220103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5499352 + ... + 16567652.

It is an arithmetic number, because the mean of its divisors is an integer number (7658030868327).

Almost surely, 2^{122122121220102} is an apocalyptic number.

122122121220102 is an abundant number, since it is smaller than the sum of its proper divisors (122934866566362).

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

122122121220102 is a wasteful number, since it uses less digits than its factorization.

122122121220102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11074424.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 122122121220102 its reverse (201022121221221), we get a palindrome (323144242441323).

The spelling of 122122121220102 in words is "one hundred twenty-two trillion, one hundred twenty-two billion, one hundred twenty-one million, two hundred twenty thousand, one hundred two".