101012112212021 has 4 divisors (see below), whose sum is σ = 101253191239200. Its totient is φ = 100771033184844.

The previous prime is 101012112211877. The next prime is 101012112212027. The reversal of 101012112212021 is 120212211210101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101012112212021 - 2¹⁴ = 101012112195637 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 (101012112212027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120539512961 + ... + 120539513798.

It is an arithmetic number, because the mean of its divisors is an integer number (25313297809800).

Almost surely, 2^{101012112212021} is an apocalyptic number.

It is an amenable number.

101012112212021 is a deficient number, since it is larger than the sum of its proper divisors (241079027179).

101012112212021 is an equidigital number, since it uses as much as digits as its factorization.

101012112212021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241079027178.

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

Adding to 101012112212021 its reverse (120212211210101), we get a palindrome (221224323422122).

The spelling of 101012112212021 in words is "one hundred one trillion, twelve billion, one hundred twelve million, two hundred twelve thousand, twenty-one".