2101313033100 has 54 divisors (see below), whose sum is σ = 6586448965460. Its totient is φ = 560350141920.

The previous prime is 2101313033081. The next prime is 2101313033137. The reversal of 2101313033100 is 13303131012.

It is a happy number.

2101313033100 is a `hidden beast` number, since 21 + 0 + 1 + 31 + 303 + 310 + 0 = 666.

It is a super-2 number, since 2×2101313033100² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1167395230 + ... + 1167397029.

Almost surely, 2^{2101313033100} is an apocalyptic number.

2101313033100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2101313033100 is an abundant number, since it is smaller than the sum of its proper divisors (4485135932360).

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

2101313033100 is a wasteful number, since it uses less digits than its factorization.

2101313033100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2334792279 (or 2334792269 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 2101313033100 its reverse (13303131012), we get a palindrome (2114616164112).

The spelling of 2101313033100 in words is "two trillion, one hundred one billion, three hundred thirteen million, thirty-three thousand, one hundred".