101010021021020 has 24 divisors (see below), whose sum is σ = 212170826309568. Its totient is φ = 40394526091200.

The previous prime is 101010021020963. The next prime is 101010021021053. The reversal of 101010021021020 is 20120120010101.

It is a junction number, because it is equal to n+sod(n) for n = 101010021020992 and 101010021021010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 592557476 + ... + 592727915.

It is an arithmetic number, because the mean of its divisors is an integer number (8840451096232).

Almost surely, 2^{101010021021020} is an apocalyptic number.

101010021021020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101010021021020 is an abundant number, since it is smaller than the sum of its proper divisors (111160805288548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101010021021020 is a wasteful number, since it uses less digits than its factorization.

101010021021020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185289661 (or 1185289659 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 101010021021020 its reverse (20120120010101), we get a palindrome (121130141031121).

The spelling of 101010021021020 in words is "one hundred one trillion, ten billion, twenty-one million, twenty-one thousand, twenty".