222101022020111 has 16 divisors (see below), whose sum is σ = 255714254961984. Its totient is φ = 191083179492864.

The previous prime is 222101022020093. The next prime is 222101022020149. The reversal of 222101022020111 is 111020220101222.

It is a de Polignac number, because none of the positive numbers 2^k-222101022020111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 222101022020111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222101022020161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4878530636 + ... + 4878576161.

It is an arithmetic number, because the mean of its divisors is an integer number (15982140935124).

Almost surely, 2^{222101022020111} is an apocalyptic number.

222101022020111 is a deficient number, since it is larger than the sum of its proper divisors (33613232941873).

222101022020111 is a wasteful number, since it uses less digits than its factorization.

222101022020111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9757106930.

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

Adding to 222101022020111 its reverse (111020220101222), we get a palindrome (333121242121333).

The spelling of 222101022020111 in words is "two hundred twenty-two trillion, one hundred one billion, twenty-two million, twenty thousand, one hundred eleven".