101021201002021 has 4 divisors (see below), whose sum is σ = 101249239830912. Its totient is φ = 100793162173132.

The previous prime is 101021201002019. The next prime is 101021201002027. The reversal of 101021201002021 is 120200102120101.

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 101021201002021 - 2¹ = 101021201002019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101021201001992 and 101021201002010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101021201002027) 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, 114019413781 + ... + 114019414666.

It is an arithmetic number, because the mean of its divisors is an integer number (25312309957728).

Almost surely, 2^{101021201002021} is an apocalyptic number.

It is an amenable number.

101021201002021 is a deficient number, since it is larger than the sum of its proper divisors (228038828891).

101021201002021 is an equidigital number, since it uses as much as digits as its factorization.

101021201002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228038828890.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 101021201002021 its reverse (120200102120101), we get a palindrome (221221303122122).

The spelling of 101021201002021 in words is "one hundred one trillion, twenty-one billion, two hundred one million, two thousand, twenty-one".