112021090 has 16 divisors (see below), whose sum is σ = 201773880. Its totient is φ = 44778240.

The previous prime is 112021087. The next prime is 112021097. The reversal of 112021090 is 90120211.

It can be written as a sum of positive squares in 4 ways, for example, as 106275481 + 5745609 = 10309^2 + 2397^2 .

It is not an unprimeable number, because it can be changed into a prime (112021097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17530 + ... + 23050.

Almost surely, 2^112021090 is an apocalyptic number.

112021090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

112021090 is a deficient number, since it is larger than the sum of its proper divisors (89752790).

112021090 is a wasteful number, since it uses less digits than its factorization.

112021090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7557.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 112021090 is about 10584.0016061979. The cubic root of 112021090 is about 482.0587068292.

The spelling of 112021090 in words is "one hundred twelve million, twenty-one thousand, ninety".