11111020211022 has 64 divisors (see below), whose sum is σ = 23028785429760. Its totient is φ = 3571627497984.

The previous prime is 11111020210951. The next prime is 11111020211041. The reversal of 11111020211022 is 22011202011111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11111020210992 and 11111020211010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 125154453 + ... + 125243199.

It is an arithmetic number, because the mean of its divisors is an integer number (359824772340).

Almost surely, 2^{11111020211022} is an apocalyptic number.

11111020211022 is an abundant number, since it is smaller than the sum of its proper divisors (11917765218738).

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

11111020211022 is a wasteful number, since it uses less digits than its factorization.

11111020211022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95537.

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

Adding to 11111020211022 its reverse (22011202011111), we get a palindrome (33122222222133).

The spelling of 11111020211022 in words is "eleven trillion, one hundred eleven billion, twenty million, two hundred eleven thousand, twenty-two".