21356141226 has 16 divisors (see below), whose sum is σ = 48814037184. Its totient is φ = 6101754624.

The previous prime is 21356141203. The next prime is 21356141239. The reversal of 21356141226 is 62214165312.

21356141226 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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, 254239735 + ... + 254239818.

It is an arithmetic number, because the mean of its divisors is an integer number (3050877324).

Almost surely, 2^21356141226 is an apocalyptic number.

21356141226 is an abundant number, since it is smaller than the sum of its proper divisors (27457895958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21356141226 is a wasteful number, since it uses less digits than its factorization.

21356141226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508479565.

The product of its digits is 17280, while the sum is 33.

The spelling of 21356141226 in words is "twenty-one billion, three hundred fifty-six million, one hundred forty-one thousand, two hundred twenty-six".