101120111222121 has 24 divisors (see below), whose sum is σ = 152971824567744. Its totient is φ = 66745947985200.

The previous prime is 101120111222093. The next prime is 101120111222147. The reversal of 101120111222121 is 121222111021101.

It is a happy number.

It is not a de Polignac number, because 101120111222121 - 2⁹ = 101120111221609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101120111222094 and 101120111222103.

It is not an unprimeable number, because it can be changed into a prime (101120111222161) 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, 2060035581 + ... + 2060084666.

It is an arithmetic number, because the mean of its divisors is an integer number (6373826023656).

Almost surely, 2^{101120111222121} is an apocalyptic number.

It is an amenable number.

101120111222121 is a deficient number, since it is larger than the sum of its proper divisors (51851713345623).

101120111222121 is an equidigital number, since it uses as much as digits as its factorization.

101120111222121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4120120363 (or 4120120351 counting only the distinct ones).

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

Adding to 101120111222121 its reverse (121222111021101), we get a palindrome (222342222243222).

The spelling of 101120111222121 in words is "one hundred one trillion, one hundred twenty billion, one hundred eleven million, two hundred twenty-two thousand, one hundred twenty-one".