1222000100121 has 32 divisors (see below), whose sum is σ = 1675996092160. Its totient is φ = 791405634816.

The previous prime is 1222000100119. The next prime is 1222000100177. The reversal of 1222000100121 is 1210010002221.

It is not a de Polignac number, because 1222000100121 - 2¹ = 1222000100119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1222000100097 and 1222000100106.

It is not an unprimeable number, because it can be changed into a prime (1222000100521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 317648220 + ... + 317652066.

It is an arithmetic number, because the mean of its divisors is an integer number (52374877880).

Almost surely, 2^{1222000100121} is an apocalyptic number.

It is an amenable number.

1222000100121 is a deficient number, since it is larger than the sum of its proper divisors (453995992039).

1222000100121 is a wasteful number, since it uses less digits than its factorization.

1222000100121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7633.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1222000100121 its reverse (1210010002221), we get a palindrome (2432010102342).

The spelling of 1222000100121 in words is "one trillion, two hundred twenty-two billion, one hundred thousand, one hundred twenty-one".