111002202011121 has 16 divisors (see below), whose sum is σ = 148345880922624. Its totient is φ = 73829998174464.

The previous prime is 111002202011111. The next prime is 111002202011131. The reversal of 111002202011121 is 121110202200111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (111002202011111) and next prime (111002202011131).

It is not a de Polignac number, because 111002202011121 - 2⁵ = 111002202011089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111002202011121.

It is not an unprimeable number, because it can be changed into a prime (111002202011111) 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, 233526720 + ... + 234001566.

It is an arithmetic number, because the mean of its divisors is an integer number (9271617557664).

Almost surely, 2^{111002202011121} is an apocalyptic number.

It is an amenable number.

111002202011121 is a deficient number, since it is larger than the sum of its proper divisors (37343678911503).

111002202011121 is a wasteful number, since it uses less digits than its factorization.

111002202011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655240.

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

Adding to 111002202011121 its reverse (121110202200111), we get a palindrome (232112404211232).

The spelling of 111002202011121 in words is "one hundred eleven trillion, two billion, two hundred two million, eleven thousand, one hundred twenty-one".