221110011120100 has 36 divisors (see below), whose sum is σ = 480921969523968. Its totient is φ = 88238797924000.

The previous prime is 221110011120007. The next prime is 221110011120143. The reversal of 221110011120100 is 1021110011122.

It is a happy number.

221110011120100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2565038236 + ... + 2565124435.

It is an arithmetic number, because the mean of its divisors is an integer number (13358943597888).

Almost surely, 2^{221110011120100} is an apocalyptic number.

221110011120100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221110011120100 is an abundant number, since it is smaller than the sum of its proper divisors (259811958403868).

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

221110011120100 is a wasteful number, since it uses less digits than its factorization.

221110011120100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5130163116 (or 5130163109 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 221110011120100 its reverse (1021110011122), we get a palindrome (222131121131222).

The spelling of 221110011120100 in words is "two hundred twenty-one trillion, one hundred ten billion, eleven million, one hundred twenty thousand, one hundred".