101112221022090 has 32 divisors (see below), whose sum is σ = 244072043358336. Its totient is φ = 26807401949760.

The previous prime is 101112221022017. The next prime is 101112221022091. The reversal of 101112221022090 is 90220122211101.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 101112221022090.

It is not an unprimeable number, because it can be changed into a prime (101112221022091) 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, 9741056566 + ... + 9741066945.

It is an arithmetic number, because the mean of its divisors is an integer number (7627251354948).

Almost surely, 2^{101112221022090} is an apocalyptic number.

101112221022090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101112221022090 is an abundant number, since it is smaller than the sum of its proper divisors (142959822336246).

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

101112221022090 is a wasteful number, since it uses less digits than its factorization.

101112221022090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19482123694.

The product of its (nonzero) digits is 288, while the sum is 24.

Adding to 101112221022090 its reverse (90220122211101), we get a palindrome (191332343233191).

The spelling of 101112221022090 in words is "one hundred one trillion, one hundred twelve billion, two hundred twenty-one million, twenty-two thousand, ninety".