112921489990 has 16 divisors (see below), whose sum is σ = 203342131152. Its totient is φ = 45150051744.

The previous prime is 112921489969. The next prime is 112921490021. The reversal of 112921489990 is 99984129211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2292444 + ... + 2341183.

It is an arithmetic number, because the mean of its divisors is an integer number (12708883197).

Almost surely, 2^112921489990 is an apocalyptic number.

112921489990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

112921489990 is a deficient number, since it is larger than the sum of its proper divisors (90420641162).

112921489990 is a wasteful number, since it uses less digits than its factorization.

112921489990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4636071.

The product of its (nonzero) digits is 839808, while the sum is 55.

The spelling of 112921489990 in words is "one hundred twelve billion, nine hundred twenty-one million, four hundred eighty-nine thousand, nine hundred ninety".