11122102122121 has 16 divisors (see below), whose sum is σ = 11263966709184. Its totient is φ = 10980427912704.

The previous prime is 11122102122107. The next prime is 11122102122139. The reversal of 11122102122121 is 12122120122111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11122102122121 - 2²⁵ = 11122068567689 is a prime.

It is a super-2 number, since 2×11122102122121² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11122102122221) 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, 875956645 + ... + 875969341.

It is an arithmetic number, because the mean of its divisors is an integer number (703997919324).

Almost surely, 2^{11122102122121} is an apocalyptic number.

It is an amenable number.

11122102122121 is a deficient number, since it is larger than the sum of its proper divisors (141864587063).

11122102122121 is a wasteful number, since it uses less digits than its factorization.

11122102122121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19320.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 11122102122121 its reverse (12122120122111), we get a palindrome (23244222244232).

The spelling of 11122102122121 in words is "eleven trillion, one hundred twenty-two billion, one hundred two million, one hundred twenty-two thousand, one hundred twenty-one".