101011022022021 has 4 divisors (see below), whose sum is σ = 134681362696032. Its totient is φ = 67340681348012.

The previous prime is 101011022022017. The next prime is 101011022022023. The reversal of 101011022022021 is 120220220110101.

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 101011022022021 - 2² = 101011022022017 is a prime.

It is a super-2 number, since 2×101011022022021² (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 (101011022022023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16835170337001 + ... + 16835170337006.

It is an arithmetic number, because the mean of its divisors is an integer number (33670340674008).

Almost surely, 2^{101011022022021} is an apocalyptic number.

It is an amenable number.

101011022022021 is a deficient number, since it is larger than the sum of its proper divisors (33670340674011).

101011022022021 is an equidigital number, since it uses as much as digits as its factorization.

101011022022021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33670340674010.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 101011022022021 its reverse (120220220110101), we get a palindrome (221231242132122).

The spelling of 101011022022021 in words is "one hundred one trillion, eleven billion, twenty-two million, twenty-two thousand, twenty-one".