101012120302021 has 4 divisors (see below), whose sum is σ = 101992820499232. Its totient is φ = 100031420104812.

The previous prime is 101012120302007. The next prime is 101012120302039. The reversal of 101012120302021 is 120203021210101.

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 101012120302021 - 2¹⁹ = 101012119777733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101012120301986 and 101012120302004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101012120303021) 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, 490350098451 + ... + 490350098656.

It is an arithmetic number, because the mean of its divisors is an integer number (25498205124808).

Almost surely, 2^{101012120302021} is an apocalyptic number.

It is an amenable number.

101012120302021 is a deficient number, since it is larger than the sum of its proper divisors (980700197211).

101012120302021 is an equidigital number, since it uses as much as digits as its factorization.

101012120302021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980700197210.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 101012120302021 its reverse (120203021210101), we get a palindrome (221215141512122).

The spelling of 101012120302021 in words is "one hundred one trillion, twelve billion, one hundred twenty million, three hundred two thousand, twenty-one".