221200102211110 has 64 divisors (see below), whose sum is σ = 457665253920000. Its totient is φ = 76128269731200.

The previous prime is 221200102211087. The next prime is 221200102211113. The reversal of 221200102211110 is 11112201002122.

It is a super-4 number, since 4×221200102211110⁴ (a number of 58 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221200102211113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49696360 + ... + 53964139.

It is an arithmetic number, because the mean of its divisors is an integer number (7151019592500).

Almost surely, 2^{221200102211110} is an apocalyptic number.

221200102211110 is an abundant number, since it is smaller than the sum of its proper divisors (236465151708890).

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

221200102211110 is a wasteful number, since it uses less digits than its factorization.

221200102211110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103661557.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 221200102211110 its reverse (11112201002122), we get a palindrome (232312303213232).

The spelling of 221200102211110 in words is "two hundred twenty-one trillion, two hundred billion, one hundred two million, two hundred eleven thousand, one hundred ten".