2100212020202 has 64 divisors (see below), whose sum is σ = 3246779506464. Its totient is φ = 1018618675200.

The previous prime is 2100212020183. The next prime is 2100212020237. The reversal of 2100212020202 is 2020202120012.

It can be written as a sum of positive squares in 16 ways, for example, as 292636639681 + 1807575380521 = 540959^2 + 1344461^2 .

It is a super-2 number, since 2×2100212020202² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1166135702 + ... + 1166137502.

Almost surely, 2^{2100212020202} is an apocalyptic number.

2100212020202 is a deficient number, since it is larger than the sum of its proper divisors (1146567486262).

2100212020202 is a wasteful number, since it uses less digits than its factorization.

2100212020202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2523.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2100212020202 its reverse (2020202120012), we get a palindrome (4120414140214).

The spelling of 2100212020202 in words is "two trillion, one hundred billion, two hundred twelve million, twenty thousand, two hundred two".