10020101021 has 16 divisors (see below), whose sum is σ = 11604636288. Its totient is φ = 8474424000.

The previous prime is 10020100969. The next prime is 10020101059. The reversal of 10020101021 is 12010102001.

It is not a de Polignac number, because 10020101021 - 2⁶ = 10020100957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020101071) 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, 182966 + ... + 231336.

It is an arithmetic number, because the mean of its divisors is an integer number (725289768).

Almost surely, 2^10020101021 is an apocalyptic number.

It is an amenable number.

10020101021 is a deficient number, since it is larger than the sum of its proper divisors (1584535267).

10020101021 is a wasteful number, since it uses less digits than its factorization.

10020101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48772.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 10020101021 its reverse (12010102001), we get a palindrome (22030203022).

The spelling of 10020101021 in words is "ten billion, twenty million, one hundred one thousand, twenty-one".