21112233302 has 4 divisors (see below), whose sum is σ = 31668349956. Its totient is φ = 10556116650.

The previous prime is 21112233283. The next prime is 21112233319. The reversal of 21112233302 is 20333221112.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5278058324 + ... + 5278058327.

It is an arithmetic number, because the mean of its divisors is an integer number (7917087489).

Almost surely, 2^21112233302 is an apocalyptic number.

21112233302 is a deficient number, since it is larger than the sum of its proper divisors (10556116654).

21112233302 is a wasteful number, since it uses less digits than its factorization.

21112233302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10556116653.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21112233302 its reverse (20333221112), we get a palindrome (41445454414).

The spelling of 21112233302 in words is "twenty-one billion, one hundred twelve million, two hundred thirty-three thousand, three hundred two".