10021021020102 has 32 divisors (see below), whose sum is σ = 20254128249600. Its totient is φ = 3305037247200.

The previous prime is 10021021020091. The next prime is 10021021020133. The reversal of 10021021020102 is 20102012012001.

It is a super-2 number, since 2×10021021020102² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4676602 + ... + 6473997.

It is an arithmetic number, because the mean of its divisors is an integer number (632941507800).

Almost surely, 2^{10021021020102} is an apocalyptic number.

10021021020102 is an abundant number, since it is smaller than the sum of its proper divisors (10233107229498).

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

10021021020102 is a wasteful number, since it uses less digits than its factorization.

10021021020102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11152188.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10021021020102 its reverse (20102012012001), we get a palindrome (30123033032103).

The spelling of 10021021020102 in words is "ten trillion, twenty-one billion, twenty-one million, twenty thousand, one hundred two".