10112211090 has 48 divisors (see below), whose sum is σ = 26305695000. Its totient is φ = 2695159296.

The previous prime is 10112211089. The next prime is 10112211101. The reversal of 10112211090 is 9011221101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10070724609 + 41486481 = 100353^2 + 6441^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 146586 + ... + 204234.

Almost surely, 2^10112211090 is an apocalyptic number.

10112211090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10112211090 is an abundant number, since it is smaller than the sum of its proper divisors (16193483910).

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

10112211090 is a wasteful number, since it uses less digits than its factorization.

10112211090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59611 (or 59608 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 10112211090 its reverse (9011221101), we get a palindrome (19123432191).

The spelling of 10112211090 in words is "ten billion, one hundred twelve million, two hundred eleven thousand, ninety".