21153226402162 has 8 divisors (see below), whose sum is σ = 31729933134000. Its totient is φ = 10576582024164.

The previous prime is 21153226402079. The next prime is 21153226402177. The reversal of 21153226402162 is 26120462235112.

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

It is a super-2 number, since 2×21153226402162² (a number of 27 digits) contains 22 as substring.

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, 14730912 + ... + 16102987.

It is an arithmetic number, because the mean of its divisors is an integer number (3966241641750).

Almost surely, 2^{21153226402162} is an apocalyptic number.

21153226402162 is a deficient number, since it is larger than the sum of its proper divisors (10576706731838).

21153226402162 is a wasteful number, since it uses less digits than its factorization.

21153226402162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31176920.

The product of its (nonzero) digits is 69120, while the sum is 37.

Adding to 21153226402162 its reverse (26120462235112), we get a palindrome (47273688637274).

The spelling of 21153226402162 in words is "twenty-one trillion, one hundred fifty-three billion, two hundred twenty-six million, four hundred two thousand, one hundred sixty-two".