11122112001210 has 128 divisors (see below), whose sum is σ = 32292222842880. Its totient is φ = 2397452795136.

The previous prime is 11122112001173. The next prime is 11122112001211. The reversal of 11122112001210 is 1210021122111.

It is a happy number.

It is a super-2 number, since 2×11122112001210² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11122112001210.

It is not an unprimeable number, because it can be changed into a prime (11122112001211) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20974072 + ... + 21497811.

It is an arithmetic number, because the mean of its divisors is an integer number (252282990960).

Almost surely, 2^{11122112001210} is an apocalyptic number.

11122112001210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11122112001210 is an abundant number, since it is smaller than the sum of its proper divisors (21170110841670).

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

11122112001210 is a wasteful number, since it uses less digits than its factorization.

11122112001210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42471972.

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

Adding to 11122112001210 its reverse (1210021122111), we get a palindrome (12332133123321).

The spelling of 11122112001210 in words is "eleven trillion, one hundred twenty-two billion, one hundred twelve million, one thousand, two hundred ten".