2021002101102 has 16 divisors (see below), whose sum is σ = 4042034093520. Its totient is φ = 673662385152.

The previous prime is 2021002101077. The next prime is 2021002101127. The reversal of 2021002101102 is 2011012001202.

It is an interprime number because it is at equal distance from previous prime (2021002101077) and next prime (2021002101127).

It is a super-2 number, since 2×2021002101102² (a number of 25 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 7 ways as a sum of consecutive naturals, for example, 312793 + ... + 2034660.

It is an arithmetic number, because the mean of its divisors is an integer number (252627130845).

Almost surely, 2^{2021002101102} is an apocalyptic number.

2021002101102 is an abundant number, since it is smaller than the sum of its proper divisors (2021031992418).

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

2021002101102 is a wasteful number, since it uses less digits than its factorization.

2021002101102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2490947.

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

Adding to 2021002101102 its reverse (2011012001202), we get a palindrome (4032014102304).

The spelling of 2021002101102 in words is "two trillion, twenty-one billion, two million, one hundred one thousand, one hundred two".