1211120202022 has 16 divisors (see below), whose sum is σ = 1832838561360. Its totient is φ = 600174491392.

The previous prime is 1211120202011. The next prime is 1211120202049. The reversal of 1211120202022 is 2202020211121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1211120201987 and 1211120202005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5580354 + ... + 5793322.

It is an arithmetic number, because the mean of its divisors is an integer number (114552410085).

Almost surely, 2^{1211120202022} is an apocalyptic number.

1211120202022 is a deficient number, since it is larger than the sum of its proper divisors (621718359338).

1211120202022 is a wasteful number, since it uses less digits than its factorization.

1211120202022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238247.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1211120202022 its reverse (2202020211121), we get a palindrome (3413140413143).

Subtracting 1211120202022 from its reverse (2202020211121), we obtain a palindrome (990900009099).

The spelling of 1211120202022 in words is "one trillion, two hundred eleven billion, one hundred twenty million, two hundred two thousand, twenty-two".