121102001112 has 16 divisors (see below), whose sum is σ = 302755002840. Its totient is φ = 40367333696.

The previous prime is 121102001107. The next prime is 121102001129. The reversal of 121102001112 is 211100201121.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2522958333 + ... + 2522958380.

Almost surely, 2^121102001112 is an apocalyptic number.

121102001112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121102001112 is an abundant number, since it is smaller than the sum of its proper divisors (181653001728).

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

121102001112 is a wasteful number, since it uses less digits than its factorization.

121102001112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5045916722 (or 5045916718 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 121102001112 its reverse (211100201121), we get a palindrome (332202202233).

Subtracting 121102001112 from its reverse (211100201121), we obtain a square (89998200009 = 299997²).

The spelling of 121102001112 in words is "one hundred twenty-one billion, one hundred two million, one thousand, one hundred twelve".