11112122102121 has 24 divisors (see below), whose sum is σ = 16094987850240. Its totient is φ = 7387728037056.

The previous prime is 11112122102101. The next prime is 11112122102239. The reversal of 11112122102121 is 12120122121111.

It is a happy number.

11112122102121 is a `hidden beast` number, since 111 + 121 + 221 + 0 + 212 + 1 = 666.

11112122102121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11112122102121 - 2¹³ = 11112122093929 is a prime.

It is a super-2 number, since 2×11112122102121² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11112122102094 and 11112122102103.

It is not an unprimeable number, because it can be changed into a prime (11112122102101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5426221 + ... + 7188053.

It is an arithmetic number, because the mean of its divisors is an integer number (670624493760).

Almost surely, 2^{11112122102121} is an apocalyptic number.

It is an amenable number.

11112122102121 is a deficient number, since it is larger than the sum of its proper divisors (4982865748119).

11112122102121 is a wasteful number, since it uses less digits than its factorization.

11112122102121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1763765 (or 1763762 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 11112122102121 its reverse (12120122121111), we get a palindrome (23232244223232).

The spelling of 11112122102121 in words is "eleven trillion, one hundred twelve billion, one hundred twenty-two million, one hundred two thousand, one hundred twenty-one".