20112111202 has 8 divisors (see below), whose sum is σ = 30173326416. Its totient is φ = 10054335732.

The previous prime is 20112111199. The next prime is 20112111209. The reversal of 20112111202 is 20211121102.

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

It is a super-2 number, since 2×20112111202² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20112111209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 845268 + ... + 868735.

It is an arithmetic number, because the mean of its divisors is an integer number (3771665802).

Almost surely, 2^20112111202 is an apocalyptic number.

20112111202 is a deficient number, since it is larger than the sum of its proper divisors (10061215214).

20112111202 is a wasteful number, since it uses less digits than its factorization.

20112111202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1719872.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20112111202 its reverse (20211121102), we get a palindrome (40323232304).

The spelling of 20112111202 in words is "twenty billion, one hundred twelve million, one hundred eleven thousand, two hundred two".