101111221022 has 16 divisors (see below), whose sum is σ = 177561169632. Its totient is φ = 42276468480.

The previous prime is 101111221019. The next prime is 101111221027. The reversal of 101111221022 is 220122111101.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 101111220988 and 101111221006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101111221027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88075403 + ... + 88076550.

It is an arithmetic number, because the mean of its divisors is an integer number (11097573102).

Almost surely, 2^101111221022 is an apocalyptic number.

101111221022 is a deficient number, since it is larger than the sum of its proper divisors (76449948610).

101111221022 is a wasteful number, since it uses less digits than its factorization.

101111221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176152003.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 101111221022 its reverse (220122111101), we get a palindrome (321233332123).

The spelling of 101111221022 in words is "one hundred one billion, one hundred eleven million, two hundred twenty-one thousand, twenty-two".