11112201022 has 32 divisors (see below), whose sum is σ = 18257145984. Its totient is φ = 5041826400.

The previous prime is 11112201017. The next prime is 11112201031. The reversal of 11112201022 is 22010221111.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 11112200993 and 11112201011.

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, 349197 + ... + 379687.

It is an arithmetic number, because the mean of its divisors is an integer number (570535812).

Almost surely, 2^11112201022 is an apocalyptic number.

11112201022 is a deficient number, since it is larger than the sum of its proper divisors (7144944962).

11112201022 is a wasteful number, since it uses less digits than its factorization.

11112201022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30744.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11112201022 its reverse (22010221111), we get a palindrome (33122422133).

It can be divided in two parts, 1111 and 2201022, that multiplied together give a palindrome (2445335442).

The spelling of 11112201022 in words is "eleven billion, one hundred twelve million, two hundred one thousand, twenty-two".