1110220202121 has 16 divisors (see below), whose sum is σ = 1567481414400. Its totient is φ = 696559102208.

The previous prime is 1110220202057. The next prime is 1110220202159. The reversal of 1110220202121 is 1212020220111.

It is a cyclic number.

It is not a de Polignac number, because 1110220202121 - 2⁶ = 1110220202057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1110220202121.

It is not an unprimeable number, because it can be changed into a prime (1110220202191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46626 + ... + 1490843.

It is an arithmetic number, because the mean of its divisors is an integer number (97967588400).

Almost surely, 2^{1110220202121} is an apocalyptic number.

It is an amenable number.

1110220202121 is a deficient number, since it is larger than the sum of its proper divisors (457261212279).

1110220202121 is a wasteful number, since it uses less digits than its factorization.

1110220202121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551648.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1110220202121 its reverse (1212020220111), we get a palindrome (2322240422232).

The spelling of 1110220202121 in words is "one trillion, one hundred ten billion, two hundred twenty million, two hundred two thousand, one hundred twenty-one".