21230101122230 has 128 divisors (see below), whose sum is σ = 51314850155520. Its totient is φ = 6107411197440.

The previous prime is 21230101122193. The next prime is 21230101122299. The reversal of 21230101122230 is 3222110103212.

It is a super-2 number, since 2×21230101122230² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 84148232 + ... + 84400148.

It is an arithmetic number, because the mean of its divisors is an integer number (400897266840).

Almost surely, 2^{21230101122230} is an apocalyptic number.

21230101122230 is an abundant number, since it is smaller than the sum of its proper divisors (30084749033290).

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

21230101122230 is a wasteful number, since it uses less digits than its factorization.

21230101122230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260374.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 21230101122230 its reverse (3222110103212), we get a palindrome (24452211225442).

The spelling of 21230101122230 in words is "twenty-one trillion, two hundred thirty billion, one hundred one million, one hundred twenty-two thousand, two hundred thirty".