1222100020011 has 32 divisors (see below), whose sum is σ = 1775297079360. Its totient is φ = 743288832000.

The previous prime is 1222100019967. The next prime is 1222100020033. The reversal of 1222100020011 is 1100200012221.

It is not a de Polignac number, because 1222100020011 - 2¹³ = 1222100011819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1222100020051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8050411 + ... + 8200811.

It is an arithmetic number, because the mean of its divisors is an integer number (55478033730).

Almost surely, 2^{1222100020011} is an apocalyptic number.

1222100020011 is a deficient number, since it is larger than the sum of its proper divisors (553197059349).

1222100020011 is a wasteful number, since it uses less digits than its factorization.

1222100020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152847.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1222100020011 its reverse (1100200012221), we get a palindrome (2322300032232).

The spelling of 1222100020011 in words is "one trillion, two hundred twenty-two billion, one hundred million, twenty thousand, eleven".