11111201022 has 32 divisors (see below), whose sum is σ = 22394615040. Its totient is φ = 3675061440.

The previous prime is 11111201011. The next prime is 11111201033. The reversal of 11111201022 is 22010211111.

It is an interprime number because it is at equal distance from previous prime (11111201011) and next prime (11111201033).

It is a junction number, because it is equal to n+sod(n) for n = 11111200989 and 11111201007.

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, 2725978 + ... + 2730050.

It is an arithmetic number, because the mean of its divisors is an integer number (699831720).

Almost surely, 2^11111201022 is an apocalyptic number.

11111201022 is an abundant number, since it is smaller than the sum of its proper divisors (11283414018).

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

11111201022 is a wasteful number, since it uses less digits than its factorization.

11111201022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7488.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11111201022 its reverse (22010211111), we get a palindrome (33121412133).

The spelling of 11111201022 in words is "eleven billion, one hundred eleven million, two hundred one thousand, twenty-two".