121022211202112 has 112 divisors (see below), whose sum is σ = 268396387467264. Its totient is φ = 53664204288000.

The previous prime is 121022211202097. The next prime is 121022211202117. The reversal of 121022211202112 is 211202112220121.

It is a super-2 number, since 2×121022211202112² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121022211202117) 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, 386072513 + ... + 386385855.

It is an arithmetic number, because the mean of its divisors is an integer number (2396396316672).

Almost surely, 2^{121022211202112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121022211202112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134198193733632).

121022211202112 is an abundant number, since it is smaller than the sum of its proper divisors (147374176265152).

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

121022211202112 is a wasteful number, since it uses less digits than its factorization.

121022211202112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326788 (or 326778 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 121022211202112 its reverse (211202112220121), we get a palindrome (332224323422233).

The spelling of 121022211202112 in words is "one hundred twenty-one trillion, twenty-two billion, two hundred eleven million, two hundred two thousand, one hundred twelve".