11222122211101 has 16 divisors (see below), whose sum is σ = 11513232267264. Its totient is φ = 10933201177344.

The previous prime is 11222122211089. The next prime is 11222122211123. The reversal of 11222122211101 is 10111222122211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11222122211101 - 2⁷ = 11222122210973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222122211191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152535141 + ... + 152608693.

It is an arithmetic number, because the mean of its divisors is an integer number (719577016704).

Almost surely, 2^{11222122211101} is an apocalyptic number.

It is an amenable number.

11222122211101 is a deficient number, since it is larger than the sum of its proper divisors (291110056163).

11222122211101 is a wasteful number, since it uses less digits than its factorization.

11222122211101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88380.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 11222122211101 its reverse (10111222122211), we get a palindrome (21333344333312).

It can be divided in two parts, 11222122211 and 101, that multiplied together give a palindrome (1133434343311).

The spelling of 11222122211101 in words is "eleven trillion, two hundred twenty-two billion, one hundred twenty-two million, two hundred eleven thousand, one hundred one".