21122000203230 has 48 divisors (see below), whose sum is σ = 58147624093104. Its totient is φ = 5301207893760.

The previous prime is 21122000203207. The next prime is 21122000203267. The reversal of 21122000203230 is 3230200022112.

21122000203230 is a `hidden beast` number, since 2 + 11 + 220 + 0 + 0 + 203 + 230 = 666.

It is a super-2 number, since 2×21122000203230² (a number of 27 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6902612916 + ... + 6902615975.

It is an arithmetic number, because the mean of its divisors is an integer number (1211408835273).

Almost surely, 2^{21122000203230} is an apocalyptic number.

21122000203230 is an abundant number, since it is smaller than the sum of its proper divisors (37025623889874).

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

21122000203230 is a wasteful number, since it uses less digits than its factorization.

21122000203230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13805228921 (or 13805228918 counting only the distinct ones).

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

Adding to 21122000203230 its reverse (3230200022112), we get a palindrome (24352200225342).

The spelling of 21122000203230 in words is "twenty-one trillion, one hundred twenty-two billion, two hundred three thousand, two hundred thirty".