10122010101021 has 64 divisors (see below), whose sum is σ = 16965264089088. Its totient is φ = 5225062284288.

The previous prime is 10122010100989. The next prime is 10122010101037. The reversal of 10122010101021 is 12010101022101.

It is not a de Polignac number, because 10122010101021 - 2⁵ = 10122010100989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10122010100988 and 10122010101006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10122010101821) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 215370501 + ... + 215417493.

It is an arithmetic number, because the mean of its divisors is an integer number (265082251392).

Almost surely, 2^{10122010101021} is an apocalyptic number.

It is an amenable number.

10122010101021 is a deficient number, since it is larger than the sum of its proper divisors (6843253988067).

10122010101021 is a wasteful number, since it uses less digits than its factorization.

10122010101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63850.

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

Adding to 10122010101021 its reverse (12010101022101), we get a palindrome (22132111123122).

The spelling of 10122010101021 in words is "ten trillion, one hundred twenty-two billion, ten million, one hundred one thousand, twenty-one".