121000022112102 has 64 divisors (see below), whose sum is σ = 284525632834560. Its totient is φ = 33589831526784.

The previous prime is 121000022112089. The next prime is 121000022112103. The reversal of 121000022112102 is 201211220000121.

It is a super-2 number, since 2×121000022112102² (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 (121000022112103) 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, 263642577 + ... + 264101132.

It is an arithmetic number, because the mean of its divisors is an integer number (4445713013040).

Almost surely, 2^{121000022112102} is an apocalyptic number.

121000022112102 is an abundant number, since it is smaller than the sum of its proper divisors (163525610722458).

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

121000022112102 is a wasteful number, since it uses less digits than its factorization.

121000022112102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527743877.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121000022112102 its reverse (201211220000121), we get a palindrome (322211242112223).

The spelling of 121000022112102 in words is "one hundred twenty-one trillion, twenty-two million, one hundred twelve thousand, one hundred two".