202120002100112 has 10 divisors (see below), whose sum is σ = 391607504068998. Its totient is φ = 101060001050048.

The previous prime is 202120002100069. The next prime is 202120002100123. The reversal of 202120002100112 is 211001200021202.

It can be written as a sum of positive squares in only one way, i.e., 129282721505536 + 72837280594576 = 11370256^2 + 8534476^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6316250065613 + ... + 6316250065644.

Almost surely, 2^{202120002100112} is an apocalyptic number.

It is an amenable number.

202120002100112 is a deficient number, since it is larger than the sum of its proper divisors (189487501968886).

202120002100112 is a wasteful number, since it uses less digits than its factorization.

202120002100112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12632500131265 (or 12632500131259 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 202120002100112 its reverse (211001200021202), we get a palindrome (413121202121314).

The spelling of 202120002100112 in words is "two hundred two trillion, one hundred twenty billion, two million, one hundred thousand, one hundred twelve".