101111122222 has 32 divisors (see below), whose sum is σ = 166182728544. Its totient is φ = 45757747200.

The previous prime is 101111122201. The next prime is 101111122249. The reversal of 101111122222 is 222221111101.

It is a junction number, because it is equal to n+sod(n) for n = 101111122196 and 101111122205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5123478 + ... + 5143174.

It is an arithmetic number, because the mean of its divisors is an integer number (5193210267).

Almost surely, 2^101111122222 is an apocalyptic number.

101111122222 is a deficient number, since it is larger than the sum of its proper divisors (65071606322).

101111122222 is a wasteful number, since it uses less digits than its factorization.

101111122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20724.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 101111122222 its reverse (222221111101), we get a palindrome (323332233323).

The spelling of 101111122222 in words is "one hundred one billion, one hundred eleven million, one hundred twenty-two thousand, two hundred twenty-two".