1211202002022 has 16 divisors (see below), whose sum is σ = 2422986782832. Its totient is φ = 403636870880.

The previous prime is 1211202001957. The next prime is 1211202002069. The reversal of 1211202002022 is 2202002021121.

It is a junction number, because it is equal to n+sod(n) for n = 1211202001992 and 1211202002010.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 24255429 + ... + 24305312.

It is an arithmetic number, because the mean of its divisors is an integer number (151436673927).

Almost surely, 2^{1211202002022} is an apocalyptic number.

1211202002022 is an abundant number, since it is smaller than the sum of its proper divisors (1211784780810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1211202002022 is a wasteful number, since it uses less digits than its factorization.

1211202002022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48564903.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1211202002022 its reverse (2202002021121), we get a palindrome (3413204023143).

The spelling of 1211202002022 in words is "one trillion, two hundred eleven billion, two hundred two million, two thousand, twenty-two".