101012101112021 has 4 divisors (see below), whose sum is σ = 110195019394944. Its totient is φ = 91829182829100.

The previous prime is 101012101111963. The next prime is 101012101112071. The reversal of 101012101112021 is 120211101210101.

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 a de Polignac number, because none of the positive numbers 2^k-101012101112021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101012101111987 and 101012101112005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101012101112071) 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, 4591459141445 + ... + 4591459141466.

It is an arithmetic number, because the mean of its divisors is an integer number (27548754848736).

Almost surely, 2^{101012101112021} is an apocalyptic number.

101012101112021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

101012101112021 is a deficient number, since it is larger than the sum of its proper divisors (9182918282923).

101012101112021 is an equidigital number, since it uses as much as digits as its factorization.

101012101112021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9182918282922.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 101012101112021 its reverse (120211101210101), we get a palindrome (221223202322122).

The spelling of 101012101112021 in words is "one hundred one trillion, twelve billion, one hundred one million, one hundred twelve thousand, twenty-one".