202120220202112 has 16 divisors (see below), whose sum is σ = 402661376184150. Its totient is φ = 101060110100992.

The previous prime is 202120220201987. The next prime is 202120220202127. The reversal of 202120220202112 is 211202022021202.

It can be written as a sum of positive squares in only one way, i.e., 113029727823936 + 89090492378176 = 10631544^2 + 9438776^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 202120220202112.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 789532110037 + ... + 789532110292.

Almost surely, 2^{202120220202112} is an apocalyptic number.

It is an amenable number.

202120220202112 is a deficient number, since it is larger than the sum of its proper divisors (200541155982038).

202120220202112 is an equidigital number, since it uses as much as digits as its factorization.

202120220202112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1579064220343 (or 1579064220331 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 202120220202112 its reverse (211202022021202), we get a palindrome (413322242223314).

The spelling of 202120220202112 in words is "two hundred two trillion, one hundred twenty billion, two hundred twenty million, two hundred two thousand, one hundred twelve".