21411233022 has 16 divisors (see below), whose sum is σ = 43159652352. Its totient is φ = 7080879960.

The previous prime is 21411232957. The next prime is 21411233059. The reversal of 21411233022 is 22033211412.

It is a self number, because there is not a number n which added to its sum of digits gives 21411233022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14048604 + ... + 14050127.

It is an arithmetic number, because the mean of its divisors is an integer number (2697478272).

Almost surely, 2^21411233022 is an apocalyptic number.

21411233022 is an abundant number, since it is smaller than the sum of its proper divisors (21748419330).

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

21411233022 is a wasteful number, since it uses less digits than its factorization.

21411233022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28098863.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 21411233022 its reverse (22033211412), we get a palindrome (43444444434).

The spelling of 21411233022 in words is "twenty-one billion, four hundred eleven million, two hundred thirty-three thousand, twenty-two".