221210200031120 has 40 divisors (see below), whose sum is σ = 514400490886464. Its totient is φ = 88469150840192.

The previous prime is 221210200031101. The next prime is 221210200031221. The reversal of 221210200031120 is 21130002012122.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232791194 + ... + 233739513.

Almost surely, 2^{221210200031120} is an apocalyptic number.

221210200031120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221210200031120 is an abundant number, since it is smaller than the sum of its proper divisors (293190290855344).

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

221210200031120 is a wasteful number, since it uses less digits than its factorization.

221210200031120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466536647 (or 466536641 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 221210200031120 its reverse (21130002012122), we get a palindrome (242340202043242).

The spelling of 221210200031120 in words is "two hundred twenty-one trillion, two hundred ten billion, two hundred million, thirty-one thousand, one hundred twenty".