11112201212022 has 48 divisors (see below), whose sum is σ = 24286803672768. Its totient is φ = 3671833576320.

The previous prime is 11112201212017. The next prime is 11112201212027. The reversal of 11112201212022 is 22021210221111.

It is an interprime number because it is at equal distance from previous prime (11112201212017) and next prime (11112201212027).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11112201211986 and 11112201212004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112201212027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4428718 + ... + 6468225.

It is an arithmetic number, because the mean of its divisors is an integer number (505975076516).

Almost surely, 2^{11112201212022} is an apocalyptic number.

11112201212022 is an abundant number, since it is smaller than the sum of its proper divisors (13174602460746).

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

11112201212022 is a wasteful number, since it uses less digits than its factorization.

11112201212022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10897445 (or 10897442 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11112201212022 its reverse (22021210221111), we get a palindrome (33133411433133).

The spelling of 11112201212022 in words is "eleven trillion, one hundred twelve billion, two hundred one million, two hundred twelve thousand, twenty-two".