1012110020090 has 32 divisors (see below), whose sum is σ = 1963449346320. Its totient is φ = 373413970944.

The previous prime is 1012110019981. The next prime is 1012110020237. The reversal of 1012110020090 is 900200112101.

It can be written as a sum of positive squares in 8 ways, for example, as 924103457809 + 88006562281 = 961303^2 + 296659^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2832725 + ... + 3169944.

Almost surely, 2^{1012110020090} is an apocalyptic number.

1012110020090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1012110020090 is a deficient number, since it is larger than the sum of its proper divisors (951339326230).

1012110020090 is a wasteful number, since it uses less digits than its factorization.

1012110020090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6003986.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 1012110020090 its reverse (900200112101), we get a palindrome (1912310132191).

The spelling of 1012110020090 in words is "one trillion, twelve billion, one hundred ten million, twenty thousand, ninety".