1121312210022 has 48 divisors (see below), whose sum is σ = 2641947077952. Its totient is φ = 342276537600.

The previous prime is 1121312210017. The next prime is 1121312210089. The reversal of 1121312210022 is 2200122131211.

1121312210022 is a `hidden beast` number, since 1 + 121 + 312 + 210 + 0 + 22 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 1121312209977 and 1121312210004.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 49507854 + ... + 49530497.

It is an arithmetic number, because the mean of its divisors is an integer number (55040564124).

Almost surely, 2^{1121312210022} is an apocalyptic number.

1121312210022 is an abundant number, since it is smaller than the sum of its proper divisors (1520634867930).

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

1121312210022 is a wasteful number, since it uses less digits than its factorization.

1121312210022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99038413 (or 99038410 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1121312210022 its reverse (2200122131211), we get a palindrome (3321434341233).

The spelling of 1121312210022 in words is "one trillion, one hundred twenty-one billion, three hundred twelve million, two hundred ten thousand, twenty-two".