20111112021202 has 8 divisors (see below), whose sum is σ = 30465347913612. Its totient is φ = 9955996050000.

The previous prime is 20111112021191. The next prime is 20111112021223. The reversal of 20111112021202 is 20212021111102.

It can be written as a sum of positive squares in 2 ways, for example, as 19960334354601 + 150777666601 = 4467699^2 + 388301^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49779980049 + ... + 49779980452.

Almost surely, 2^{20111112021202} is an apocalyptic number.

20111112021202 is a deficient number, since it is larger than the sum of its proper divisors (10354235892410).

20111112021202 is a wasteful number, since it uses less digits than its factorization.

20111112021202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99559960604.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 20111112021202 its reverse (20212021111102), we get a palindrome (40323133132304).

The spelling of 20111112021202 in words is "twenty trillion, one hundred eleven billion, one hundred twelve million, twenty-one thousand, two hundred two".