21000313202022 has 96 divisors (see below), whose sum is σ = 56729868459264. Its totient is φ = 5454458568000.

The previous prime is 21000313201963. The next prime is 21000313202053. The reversal of 21000313202022 is 22020231300012.

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

It is a junction number, because it is equal to n+sod(n) for n = 21000313201986 and 21000313202004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48364548 + ... + 48796824.

It is an arithmetic number, because the mean of its divisors is an integer number (590936129784).

Almost surely, 2^{21000313202022} is an apocalyptic number.

21000313202022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21000313202022 is an abundant number, since it is smaller than the sum of its proper divisors (35729555257242).

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

21000313202022 is a wasteful number, since it uses less digits than its factorization.

21000313202022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467354 (or 467351 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 21000313202022 its reverse (22020231300012), we get a palindrome (43020544502034).

The spelling of 21000313202022 in words is "twenty-one trillion, three hundred thirteen million, two hundred two thousand, twenty-two".