22101211010 has 16 divisors (see below), whose sum is σ = 39936978936. Its totient is φ = 8806084608.

The previous prime is 22101211009. The next prime is 22101211019. The reversal of 22101211010 is 1011210122.

It can be written as a sum of positive squares in 4 ways, for example, as 22098903649 + 2307361 = 148657^2 + 1519^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22101210982 and 22101211000.

It is not an unprimeable number, because it can be changed into a prime (22101211019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4297277 + ... + 4302416.

Almost surely, 2^22101211010 is an apocalyptic number.

22101211010 is a deficient number, since it is larger than the sum of its proper divisors (17835767926).

22101211010 is a wasteful number, since it uses less digits than its factorization.

22101211010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8599957.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 22101211010 its reverse (1011210122), we get a palindrome (23112421132).

The spelling of 22101211010 in words is "twenty-two billion, one hundred one million, two hundred eleven thousand, ten".