101012011122021 has 32 divisors (see below), whose sum is σ = 138899115264000. Its totient is φ = 65270965140288.

The previous prime is 101012011121993. The next prime is 101012011122031. The reversal of 101012011122021 is 120221110210101.

It is a happy number.

It is not a de Polignac number, because 101012011122021 - 2²² = 101012006927717 is a prime.

It is a super-2 number, since 2×101012011122021² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101012011122031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7922641 + ... + 16272438.

It is an arithmetic number, because the mean of its divisors is an integer number (4340597352000).

Almost surely, 2^{101012011122021} is an apocalyptic number.

It is an amenable number.

101012011122021 is a deficient number, since it is larger than the sum of its proper divisors (37887104141979).

101012011122021 is a wasteful number, since it uses less digits than its factorization.

101012011122021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24195473.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 101012011122021 its reverse (120221110210101), we get a palindrome (221233121332122).

The spelling of 101012011122021 in words is "one hundred one trillion, twelve billion, eleven million, one hundred twenty-two thousand, twenty-one".