121010211112112 has 20 divisors (see below), whose sum is σ = 267951181748496. Its totient is φ = 51861519048000.

The previous prime is 121010211112111. The next prime is 121010211112121. The reversal of 121010211112112 is 211211112010121.

It is not an unprimeable number, because it can be changed into a prime (121010211112111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 540224156639 + ... + 540224156862.

Almost surely, 2^{121010211112112} is an apocalyptic number.

It is an amenable number.

121010211112112 is an abundant number, since it is smaller than the sum of its proper divisors (146940970636384).

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

121010211112112 is a wasteful number, since it uses less digits than its factorization.

121010211112112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080448313516 (or 1080448313510 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 121010211112112 its reverse (211211112010121), we get a palindrome (332221323122233).

The spelling of 121010211112112 in words is "one hundred twenty-one trillion, ten billion, two hundred eleven million, one hundred twelve thousand, one hundred twelve".