11111022001122 has 32 divisors (see below), whose sum is σ = 23392250545920. Its totient is φ = 3508649997840.

The previous prime is 11111022001061. The next prime is 11111022001153. The reversal of 11111022001122 is 22110022011111.

It is a happy 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, 3044097 + ... + 5611467.

It is an arithmetic number, because the mean of its divisors is an integer number (731007829560).

Almost surely, 2^{11111022001122} is an apocalyptic number.

11111022001122 is an abundant number, since it is smaller than the sum of its proper divisors (12281228544798).

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

11111022001122 is a wasteful number, since it uses less digits than its factorization.

11111022001122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2605358.

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

Adding to 11111022001122 its reverse (22110022011111), we get a palindrome (33221044012233).

The spelling of 11111022001122 in words is "eleven trillion, one hundred eleven billion, twenty-two million, one thousand, one hundred twenty-two".