1210022220111 has 16 divisors (see below), whose sum is σ = 1614414873600. Its totient is φ = 806155646400.

The previous prime is 1210022220107. The next prime is 1210022220161. The reversal of 1210022220111 is 1110222200121.

It is not a de Polignac number, because 1210022220111 - 2² = 1210022220107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210022220161) by changing a digit.

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, 79083940 + ... + 79099238.

It is an arithmetic number, because the mean of its divisors is an integer number (100900929600).

Almost surely, 2^{1210022220111} is an apocalyptic number.

1210022220111 is a deficient number, since it is larger than the sum of its proper divisors (404392653489).

1210022220111 is a wasteful number, since it uses less digits than its factorization.

1210022220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30766.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1210022220111 its reverse (1110222200121), we get a palindrome (2320244420232).

The spelling of 1210022220111 in words is "one trillion, two hundred ten billion, twenty-two million, two hundred twenty thousand, one hundred eleven".