22220220111001 has 16 divisors (see below), whose sum is σ = 24912281021760. Its totient is φ = 19644268835520.

The previous prime is 22220220110923. The next prime is 22220220111073. The reversal of 22220220111001 is 10011102202222.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22220220111001 - 2¹⁷ = 22220219979929 is a prime.

It is a super-2 number, since 2×22220220111001² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22220220111701) 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, 102462010 + ... + 102678643.

It is an arithmetic number, because the mean of its divisors is an integer number (1557017563860).

Almost surely, 2^{22220220111001} is an apocalyptic number.

It is an amenable number.

22220220111001 is a deficient number, since it is larger than the sum of its proper divisors (2692060910759).

22220220111001 is a wasteful number, since it uses less digits than its factorization.

22220220111001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205140936.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22220220111001 its reverse (10011102202222), we get a palindrome (32231322313223).

The spelling of 22220220111001 in words is "twenty-two trillion, two hundred twenty billion, two hundred twenty million, one hundred eleven thousand, one".