21124233202 has 16 divisors (see below), whose sum is σ = 31810247424. Its totient is φ = 10520896000.

The previous prime is 21124233059. The next prime is 21124233211. The reversal of 21124233202 is 20233242112.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 533427 + ... + 571657.

It is an arithmetic number, because the mean of its divisors is an integer number (1988140464).

Almost surely, 2^21124233202 is an apocalyptic number.

21124233202 is a deficient number, since it is larger than the sum of its proper divisors (10686014222).

21124233202 is a wasteful number, since it uses less digits than its factorization.

21124233202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39305.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 21124233202 its reverse (20233242112), we get a palindrome (41357475314).

The spelling of 21124233202 in words is "twenty-one billion, one hundred twenty-four million, two hundred thirty-three thousand, two hundred two".