121012210022331 has 16 divisors (see below), whose sum is σ = 163779160719744. Its totient is φ = 79460346888384.

The previous prime is 121012210022329. The next prime is 121012210022351. The reversal of 121012210022331 is 133220012210121.

It is not a de Polignac number, because 121012210022331 - 2¹ = 121012210022329 is a prime.

It is a super-2 number, since 2×121012210022331² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121012210022298 and 121012210022307.

It is not an unprimeable number, because it can be changed into a prime (121012210022321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37689501 + ... + 40774046.

It is an arithmetic number, because the mean of its divisors is an integer number (10236197544984).

Almost surely, 2^{121012210022331} is an apocalyptic number.

121012210022331 is a deficient number, since it is larger than the sum of its proper divisors (42766950697413).

121012210022331 is an equidigital number, since it uses as much as digits as its factorization.

121012210022331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78471290.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 121012210022331 its reverse (133220012210121), we get a palindrome (254232222232452).

The spelling of 121012210022331 in words is "one hundred twenty-one trillion, twelve billion, two hundred ten million, twenty-two thousand, three hundred thirty-one".