221230130211120 has 80 divisors (see below), whose sum is σ = 685819051914240. Its totient is φ = 58994215517952.

The previous prime is 221230130211073. The next prime is 221230130211149. The reversal of 221230130211120 is 21112031032122.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×221230130211120² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25888321 + ... + 33356639.

It is an arithmetic number, because the mean of its divisors is an integer number (8572738148928).

Almost surely, 2^{221230130211120} is an apocalyptic number.

221230130211120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221230130211120 is an abundant number, since it is smaller than the sum of its proper divisors (464588921703120).

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

221230130211120 is a wasteful number, since it uses less digits than its factorization.

221230130211120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7591762 (or 7591756 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 221230130211120 its reverse (21112031032122), we get a palindrome (242342161243242).

The spelling of 221230130211120 in words is "two hundred twenty-one trillion, two hundred thirty billion, one hundred thirty million, two hundred eleven thousand, one hundred twenty".