1210121121022 has 32 divisors (see below), whose sum is σ = 2048615543520. Its totient is φ = 531052730880.

The previous prime is 1210121121007. The next prime is 1210121121043. The reversal of 1210121121022 is 2201211210121.

It is a junction number, because it is equal to n+sod(n) for n = 1210121120987 and 1210121121005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11262738 + ... + 11369674.

It is an arithmetic number, because the mean of its divisors is an integer number (64019235735).

Almost surely, 2^{1210121121022} is an apocalyptic number.

1210121121022 is a deficient number, since it is larger than the sum of its proper divisors (838494422498).

1210121121022 is a wasteful number, since it uses less digits than its factorization.

1210121121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124716.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1210121121022 its reverse (2201211210121), we get a palindrome (3411332331143).

The spelling of 1210121121022 in words is "one trillion, two hundred ten billion, one hundred twenty-one million, one hundred twenty-one thousand, twenty-two".