101021010012021 has 16 divisors (see below), whose sum is σ = 148394498960448. Its totient is φ = 60618667872000.

The previous prime is 101021010012017. The next prime is 101021010012071. The reversal of 101021010012021 is 120210010120101.

It is not a de Polignac number, because 101021010012021 - 2² = 101021010012017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101021010011988 and 101021010012006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101021010012001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15154663636 + ... + 15154670301.

It is an arithmetic number, because the mean of its divisors is an integer number (9274656185028).

Almost surely, 2^{101021010012021} is an apocalyptic number.

101021010012021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

101021010012021 is a deficient number, since it is larger than the sum of its proper divisors (47373488948427).

101021010012021 is a wasteful number, since it uses less digits than its factorization.

101021010012021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30309334052.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 101021010012021 its reverse (120210010120101), we get a palindrome (221231020132122).

The spelling of 101021010012021 in words is "one hundred one trillion, twenty-one billion, ten million, twelve thousand, twenty-one".