22000002121111 has 16 divisors (see below), whose sum is σ = 25686660409344. Its totient is φ = 18449570493504.

The previous prime is 22000002121099. The next prime is 22000002121147. The reversal of 22000002121111 is 11112120000022.

It is a cyclic number.

It is not a de Polignac number, because 22000002121111 - 2⁷ = 22000002120983 is a prime.

It is a super-2 number, since 2×22000002121111² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22000002121091 and 22000002121100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000002121411) 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, 10562190 + ... + 12472363.

It is an arithmetic number, because the mean of its divisors is an integer number (1605416275584).

Almost surely, 2^{22000002121111} is an apocalyptic number.

22000002121111 is a deficient number, since it is larger than the sum of its proper divisors (3686658288233).

22000002121111 is a wasteful number, since it uses less digits than its factorization.

22000002121111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23037510.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22000002121111 its reverse (11112120000022), we get a palindrome (33112122121133).

The spelling of 22000002121111 in words is "twenty-two trillion, two million, one hundred twenty-one thousand, one hundred eleven".