22111101010 has 16 divisors (see below), whose sum is σ = 39832707096. Its totient is φ = 8837168128.

The previous prime is 22111101007. The next prime is 22111101029. The reversal of 22111101010 is 1010111122.

It can be written as a sum of positive squares in 4 ways, for example, as 19495699129 + 2615401881 = 139627^2 + 51141^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 896257 + ... + 920596.

Almost surely, 2^22111101010 is an apocalyptic number.

22111101010 is a deficient number, since it is larger than the sum of its proper divisors (17721606086).

22111101010 is a wasteful number, since it uses less digits than its factorization.

22111101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1818077.

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

Adding to 22111101010 its reverse (1010111122), we get a palindrome (23121212132).

The spelling of 22111101010 in words is "twenty-two billion, one hundred eleven million, one hundred one thousand, ten".