10111222021122 has 16 divisors (see below), whose sum is σ = 22469382269280. Its totient is φ = 3370407340356.

The previous prime is 10111222021039. The next prime is 10111222021139. The reversal of 10111222021122 is 22112022211101.

10111222021122 is a `hidden beast` number, since 101 + 112 + 220 + 211 + 22 = 666.

It is a super-2 number, since 2×10111222021122² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10111222021095 and 10111222021104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93622426068 + ... + 93622426175.

It is an arithmetic number, because the mean of its divisors is an integer number (1404336391830).

Almost surely, 2^{10111222021122} is an apocalyptic number.

10111222021122 is an abundant number, since it is smaller than the sum of its proper divisors (12358160248158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10111222021122 is a wasteful number, since it uses less digits than its factorization.

10111222021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187244852254 (or 187244852248 counting only the distinct ones).

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

Adding to 10111222021122 its reverse (22112022211101), we get a palindrome (32223244232223).

The spelling of 10111222021122 in words is "ten trillion, one hundred eleven billion, two hundred twenty-two million, twenty-one thousand, one hundred twenty-two".