21602465213022 has 192 divisors, whose sum is σ = 49379999477760. Its totient is φ = 7000155908928.

The previous prime is 21602465213009. The next prime is 21602465213029. The reversal of 21602465213022 is 22031256420612.

21602465213022 is a `hidden beast` number, since 2 + 1 + 60 + 2 + 46 + 521 + 30 + 2 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21602465213029) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 19764377508 + ... + 19764378600.

It is an arithmetic number, because the mean of its divisors is an integer number (257187497280).

Almost surely, 2^{21602465213022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21602465213022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24689999738880).

21602465213022 is an abundant number, since it is smaller than the sum of its proper divisors (27777534264738).

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

21602465213022 is a wasteful number, since it uses less digits than its factorization.

21602465213022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2164 (or 2111 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 21602465213022 in words is "twenty-one trillion, six hundred two billion, four hundred sixty-five million, two hundred thirteen thousand, twenty-two".