22211121002 has 32 divisors (see below), whose sum is σ = 39017341440. Its totient is φ = 9286233840.

The previous prime is 22211121001. The next prime is 22211121017. The reversal of 22211121002 is 20012111222.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (22211121001) 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, 5573 + ... + 210839.

It is an arithmetic number, because the mean of its divisors is an integer number (1219291920).

Almost surely, 2^22211121002 is an apocalyptic number.

22211121002 is a deficient number, since it is larger than the sum of its proper divisors (16806220438).

22211121002 is a wasteful number, since it uses less digits than its factorization.

22211121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205466.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22211121002 its reverse (20012111222), we get a palindrome (42223232224).

The spelling of 22211121002 in words is "twenty-two billion, two hundred eleven million, one hundred twenty-one thousand, two".