111200220101121 has 32 divisors (see below), whose sum is σ = 159129645903360. Its totient is φ = 68822797215744.

The previous prime is 111200220101063. The next prime is 111200220101149. The reversal of 111200220101121 is 121101022002111.

It is a happy number.

It is not a de Polignac number, because 111200220101121 - 2⁷ = 111200220100993 is a prime.

It is a super-3 number, since 3×111200220101121³ (a number of 43 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111200220101121.

It is not an unprimeable number, because it can be changed into a prime (111200220101021) 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, 9197170 + ... + 17521083.

It is an arithmetic number, because the mean of its divisors is an integer number (4972801434480).

Almost surely, 2^{111200220101121} is an apocalyptic number.

It is an amenable number.

111200220101121 is a deficient number, since it is larger than the sum of its proper divisors (47929425802239).

111200220101121 is a wasteful number, since it uses less digits than its factorization.

111200220101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26719385.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111200220101121 its reverse (121101022002111), we get a palindrome (232301242103232).

The spelling of 111200220101121 in words is "one hundred eleven trillion, two hundred billion, two hundred twenty million, one hundred one thousand, one hundred twenty-one".