111012421320102 has 32 divisors (see below), whose sum is σ = 226749942503424. Its totient is φ = 36216631900800.

The previous prime is 111012421320089. The next prime is 111012421320103. The reversal of 111012421320102 is 201023124210111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111012421320103) 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, 60481827 + ... + 62290257.

It is an arithmetic number, because the mean of its divisors is an integer number (7085935703232).

Almost surely, 2^{111012421320102} is an apocalyptic number.

111012421320102 is an abundant number, since it is smaller than the sum of its proper divisors (115737521183322).

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

111012421320102 is a wasteful number, since it uses less digits than its factorization.

111012421320102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2026164.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 111012421320102 its reverse (201023124210111), we get a palindrome (312035545530213).

The spelling of 111012421320102 in words is "one hundred eleven trillion, twelve billion, four hundred twenty-one million, three hundred twenty thousand, one hundred two".