21022411014 has 36 divisors (see below), whose sum is σ = 50065774668. Its totient is φ = 6370426920.

The previous prime is 21022411001. The next prime is 21022411019. The reversal of 21022411014 is 41011422012.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21022411019) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4823904 + ... + 4828259.

It is an arithmetic number, because the mean of its divisors is an integer number (1390715963).

Almost surely, 2^21022411014 is an apocalyptic number.

21022411014 is an abundant number, since it is smaller than the sum of its proper divisors (29043363654).

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

21022411014 is a wasteful number, since it uses less digits than its factorization.

21022411014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9652193 (or 9652179 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 21022411014 its reverse (41011422012), we get a palindrome (62033833026).

The spelling of 21022411014 in words is "twenty-one billion, twenty-two million, four hundred eleven thousand, fourteen".