222011111001 has 8 divisors (see below), whose sum is σ = 296028631360. Its totient is φ = 148000498992.

The previous prime is 222011110939. The next prime is 222011111017. The reversal of 222011111001 is 100111110222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 222011111001 - 2¹⁰ = 222011109977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222011111701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1651630 + ... + 1780983.

It is an arithmetic number, because the mean of its divisors is an integer number (37003578920).

Almost surely, 2^222011111001 is an apocalyptic number.

It is an amenable number.

222011111001 is a deficient number, since it is larger than the sum of its proper divisors (74017520359).

222011111001 is a wasteful number, since it uses less digits than its factorization.

222011111001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3454175.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 222011111001 its reverse (100111110222), we get a palindrome (322122221223).

The spelling of 222011111001 in words is "two hundred twenty-two billion, eleven million, one hundred eleven thousand, one".