10112122220121 has 12 divisors (see below), whose sum is σ = 14606458122048. Its totient is φ = 6741387416664.

The previous prime is 10112122220119. The next prime is 10112122220177. The reversal of 10112122220121 is 12102222121101.

10112122220121 is a `hidden beast` number, since 101 + 121 + 222 + 201 + 21 = 666.

It is not a de Polignac number, because 10112122220121 - 2¹ = 10112122220119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10112122220094 and 10112122220103.

It is not an unprimeable number, because it can be changed into a prime (10112122220191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 196276 + ... + 4501418.

It is an arithmetic number, because the mean of its divisors is an integer number (1217204843504).

Almost surely, 2^{10112122220121} is an apocalyptic number.

It is an amenable number.

10112122220121 is a deficient number, since it is larger than the sum of its proper divisors (4494335901927).

10112122220121 is a wasteful number, since it uses less digits than its factorization.

10112122220121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4566132 (or 4566129 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 10112122220121 its reverse (12102222121101), we get a palindrome (22214344341222).

The spelling of 10112122220121 in words is "ten trillion, one hundred twelve billion, one hundred twenty-two million, two hundred twenty thousand, one hundred twenty-one".