11112222011140 has 24 divisors (see below), whose sum is σ = 24563859183360. Its totient is φ = 4210947288288.

The previous prime is 11112222011129. The next prime is 11112222011153. The reversal of 11112222011140 is 4111022221111.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14621344372 + ... + 14621345131.

It is an arithmetic number, because the mean of its divisors is an integer number (1023494132640).

Almost surely, 2^{11112222011140} is an apocalyptic number.

11112222011140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11112222011140 is an abundant number, since it is smaller than the sum of its proper divisors (13451637172220).

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

11112222011140 is a wasteful number, since it uses less digits than its factorization.

11112222011140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29242689531 (or 29242689529 counting only the distinct ones).

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

Adding to 11112222011140 its reverse (4111022221111), we get a palindrome (15223244232251).

The spelling of 11112222011140 in words is "eleven trillion, one hundred twelve billion, two hundred twenty-two million, eleven thousand, one hundred forty".