1211022121022 has 16 divisors (see below), whose sum is σ = 2076094914432. Its totient is φ = 518995232280.

The previous prime is 1211022121021. The next prime is 1211022121027. The reversal of 1211022121022 is 2201212201121.

It is a super-2 number, since 2×1211022121022² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211022121021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 650804 + ... + 1686887.

It is an arithmetic number, because the mean of its divisors is an integer number (129755932152).

Almost surely, 2^{1211022121022} is an apocalyptic number.

1211022121022 is a deficient number, since it is larger than the sum of its proper divisors (865072793410).

1211022121022 is a wasteful number, since it uses less digits than its factorization.

1211022121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2374703.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1211022121022 its reverse (2201212201121), we get a palindrome (3412234322143).

The spelling of 1211022121022 in words is "one trillion, two hundred eleven billion, twenty-two million, one hundred twenty-one thousand, twenty-two".