1001111200122 has 40 divisors (see below), whose sum is σ = 2202431158080. Its totient is φ = 303367003720.

The previous prime is 1001111200069. The next prime is 1001111200163. The reversal of 1001111200122 is 2210021111001.

It is a super-2 number, since 2×1001111200122² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1001111200098 and 1001111200107.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 5610258 + ... + 5785949.

It is an arithmetic number, because the mean of its divisors is an integer number (55060778952).

Almost surely, 2^{1001111200122} is an apocalyptic number.

1001111200122 is an abundant number, since it is smaller than the sum of its proper divisors (1201319957958).

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

1001111200122 is an equidigital number, since it uses as much as digits as its factorization.

1001111200122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11396256 (or 11396223 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1001111200122 its reverse (2210021111001), we get a palindrome (3211132311123).

The spelling of 1001111200122 in words is "one trillion, one billion, one hundred eleven million, two hundred thousand, one hundred twenty-two".