1210022200121 has 32 divisors (see below), whose sum is σ = 1415612602368. Its totient is φ = 1012931481600.

The previous prime is 1210022200111. The next prime is 1210022200147.

1210022200121 is nontrivially palindromic in base 10.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1210022200121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1210022200096 and 1210022200105.

It is not an unprimeable number, because it can be changed into a prime (1210022200111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28051256 + ... + 28094358.

It is an arithmetic number, because the mean of its divisors is an integer number (44237893824).

Almost surely, 2^{1210022200121} is an apocalyptic number.

It is an amenable number.

1210022200121 is a deficient number, since it is larger than the sum of its proper divisors (205590402247).

1210022200121 is a wasteful number, since it uses less digits than its factorization.

1210022200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43721.

The product of its (nonzero) digits is 32, while the sum is 14.

The spelling of 1210022200121 in words is "one trillion, two hundred ten billion, twenty-two million, two hundred thousand, one hundred twenty-one".