101101111222122 has 24 divisors (see below), whose sum is σ = 238966262889120. Its totient is φ = 30636700370280.

The previous prime is 101101111222099. The next prime is 101101111222159. The reversal of 101101111222122 is 221222111101101.

It is a happy number.

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 = 101101111222095 and 101101111222104.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 255305836222 + ... + 255305836617.

It is an arithmetic number, because the mean of its divisors is an integer number (9956927620380).

Almost surely, 2^{101101111222122} is an apocalyptic number.

101101111222122 is an abundant number, since it is smaller than the sum of its proper divisors (137865151666998).

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

101101111222122 is a wasteful number, since it uses less digits than its factorization.

101101111222122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510611672858 (or 510611672855 counting only the distinct ones).

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

Adding to 101101111222122 its reverse (221222111101101), we get a palindrome (322323222323223).

The spelling of 101101111222122 in words is "one hundred one trillion, one hundred one billion, one hundred eleven million, two hundred twenty-two thousand, one hundred twenty-two".