2021132103100 has 54 divisors (see below), whose sum is σ = 4820817684032. Its totient is φ = 734957124000.

The previous prime is 2021132103091. The next prime is 2021132103101. The reversal of 2021132103100 is 13012311202.

It is a super-2 number, since 2×2021132103100² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021132103101) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 83505756 + ... + 83529955.

Almost surely, 2^{2021132103100} is an apocalyptic number.

2021132103100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021132103100 is an abundant number, since it is smaller than the sum of its proper divisors (2799685580932).

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

2021132103100 is a wasteful number, since it uses less digits than its factorization.

2021132103100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167035747 (or 167035729 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 2021132103100 its reverse (13012311202), we get a palindrome (2034144414302).

The spelling of 2021132103100 in words is "two trillion, twenty-one billion, one hundred thirty-two million, one hundred three thousand, one hundred".