22011111010 has 32 divisors (see below), whose sum is σ = 45427536000. Its totient is φ = 7522077312.

The previous prime is 22011110987. The next prime is 22011111011. The reversal of 22011111010 is 1011111022.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (22011111011) 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, 490635 + ... + 533614.

It is an arithmetic number, because the mean of its divisors is an integer number (1419610500).

Almost surely, 2^22011111010 is an apocalyptic number.

22011111010 is an abundant number, since it is smaller than the sum of its proper divisors (23416424990).

22011111010 is a wasteful number, since it uses less digits than its factorization.

22011111010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024570.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 22011111010 its reverse (1011111022), we get a palindrome (23022222032).

The spelling of 22011111010 in words is "twenty-two billion, eleven million, one hundred eleven thousand, ten".