21112002202 has 8 divisors (see below), whose sum is σ = 31669200000. Its totient is φ = 10555602204.

The previous prime is 21112002193. The next prime is 21112002221. The reversal of 21112002202 is 20220021112.

It is a happy number.

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, 128202 + ... + 242197.

It is an arithmetic number, because the mean of its divisors is an integer number (3958650000).

Almost surely, 2^21112002202 is an apocalyptic number.

21112002202 is a deficient number, since it is larger than the sum of its proper divisors (10557197798).

21112002202 is a wasteful number, since it uses less digits than its factorization.

21112002202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398900.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 21112002202 its reverse (20220021112), we get a palindrome (41332023314).

The spelling of 21112002202 in words is "twenty-one billion, one hundred twelve million, two thousand, two hundred two".