101112201212021 has 16 divisors (see below), whose sum is σ = 104230250682624. Its totient is φ = 98034461220864.

The previous prime is 101112201212017. The next prime is 101112201212081. The reversal of 101112201212021 is 120212102211101.

It is not a de Polignac number, because 101112201212021 - 2² = 101112201212017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101112201212081) 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, 438981941 + ... + 439212213.

It is an arithmetic number, because the mean of its divisors is an integer number (6514390667664).

Almost surely, 2^{101112201212021} is an apocalyptic number.

It is an amenable number.

101112201212021 is a deficient number, since it is larger than the sum of its proper divisors (3118049470603).

101112201212021 is a wasteful number, since it uses less digits than its factorization.

101112201212021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317740.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 101112201212021 its reverse (120212102211101), we get a palindrome (221324303423122).

The spelling of 101112201212021 in words is "one hundred one trillion, one hundred twelve billion, two hundred one million, two hundred twelve thousand, twenty-one".