11122100211042 has 32 divisors (see below), whose sum is σ = 26016608683200. Its totient is φ = 3512242171584.

The previous prime is 11122100210951. The next prime is 11122100211043. The reversal of 11122100211042 is 24011200122111.

It is a super-2 number, since 2×11122100211042² (a number of 27 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (11122100211043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5420125783 + ... + 5420127834.

It is an arithmetic number, because the mean of its divisors is an integer number (813019021350).

Almost surely, 2^{11122100211042} is an apocalyptic number.

11122100211042 is an abundant number, since it is smaller than the sum of its proper divisors (14894508472158).

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

11122100211042 is a wasteful number, since it uses less digits than its factorization.

11122100211042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10840253647 (or 10840253641 counting only the distinct ones).

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

Adding to 11122100211042 its reverse (24011200122111), we get a palindrome (35133300333153).

The spelling of 11122100211042 in words is "eleven trillion, one hundred twenty-two billion, one hundred million, two hundred eleven thousand, forty-two".