101121111222 has 16 divisors (see below), whose sum is σ = 207708228912. Its totient is φ = 32796036000.

The previous prime is 101121111197. The next prime is 101121111233. The reversal of 101121111222 is 222111121101.

It is a happy number.

It is a congruent number.

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, 227750029 + ... + 227750472.

It is an arithmetic number, because the mean of its divisors is an integer number (12981764307).

Almost surely, 2^101121111222 is an apocalyptic number.

101121111222 is an abundant number, since it is smaller than the sum of its proper divisors (106587117690).

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

101121111222 is a wasteful number, since it uses less digits than its factorization.

101121111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455500543.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 101121111222 its reverse (222111121101), we get a palindrome (323232232323).

The spelling of 101121111222 in words is "one hundred one billion, one hundred twenty-one million, one hundred eleven thousand, two hundred twenty-two".