22221222200111 has 16 divisors (see below), whose sum is σ = 25912262976768. Its totient is φ = 18851514052800.

The previous prime is 22221222200069. The next prime is 22221222200119. The reversal of 22221222200111 is 11100222212222.

It is not a de Polignac number, because 22221222200111 - 2³⁴ = 22204042330927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22221222200119) 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, 1071098381 + ... + 1071119126.

It is an arithmetic number, because the mean of its divisors is an integer number (1619516436048).

Almost surely, 2^{22221222200111} is an apocalyptic number.

22221222200111 is a deficient number, since it is larger than the sum of its proper divisors (3691040776657).

22221222200111 is a wasteful number, since it uses less digits than its factorization.

22221222200111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2142217582.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22221222200111 its reverse (11100222212222), we get a palindrome (33321444412333).

The spelling of 22221222200111 in words is "twenty-two trillion, two hundred twenty-one billion, two hundred twenty-two million, two hundred thousand, one hundred eleven".