2021311231300 has 36 divisors (see below), whose sum is σ = 4388514930436. Its totient is φ = 808106140800.

The previous prime is 2021311231283. The next prime is 2021311231319. The reversal of 2021311231300 is 31321131202.

It can be written as a sum of positive squares in 6 ways, for example, as 26753836356 + 1994557394944 = 163566^2 + 1412288^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5035131 + ... + 5421730.

Almost surely, 2^{2021311231300} is an apocalyptic number.

2021311231300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021311231300 is an abundant number, since it is smaller than the sum of its proper divisors (2367203699136).

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

2021311231300 is a wasteful number, since it uses less digits than its factorization.

2021311231300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10458808 (or 10458801 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 2021311231300 its reverse (31321131202), we get a palindrome (2052632362502).

The spelling of 2021311231300 in words is "two trillion, twenty-one billion, three hundred eleven million, two hundred thirty-one thousand, three hundred".