21214554414032 has 40 divisors (see below), whose sum is σ = 46975529046336. Its totient is φ = 9091865903616.

The previous prime is 21214554414023. The next prime is 21214554414041. The reversal of 21214554414032 is 23041445541212.

It is an interprime number because it is at equal distance from previous prime (21214554414023) and next prime (21214554414041).

It is a super-2 number, since 2×21214554414032² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 11799128 + ... + 13477704.

Almost surely, 2^{21214554414032} is an apocalyptic number.

It is an amenable number.

21214554414032 is an abundant number, since it is smaller than the sum of its proper divisors (25760974632304).

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

21214554414032 is a wasteful number, since it uses less digits than its factorization.

21214554414032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1791435 (or 1791429 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 38.

Adding to 21214554414032 its reverse (23041445541212), we get a palindrome (44255999955244).

The spelling of 21214554414032 in words is "twenty-one trillion, two hundred fourteen billion, five hundred fifty-four million, four hundred fourteen thousand, thirty-two".