222100011010 has 32 divisors (see below), whose sum is σ = 427487578992. Its totient is φ = 82786252800.

The previous prime is 222100010989. The next prime is 222100011047. The reversal of 222100011010 is 10110001222.

It can be written as a sum of positive squares in 8 ways, for example, as 161815521169 + 60284489841 = 402263^2 + 245529^2 .

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 15 ways as a sum of consecutive naturals, for example, 6450507 + ... + 6484846.

Almost surely, 2^222100011010 is an apocalyptic number.

222100011010 is a deficient number, since it is larger than the sum of its proper divisors (205387567982).

222100011010 is a wasteful number, since it uses less digits than its factorization.

222100011010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12935478.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 222100011010 its reverse (10110001222), we get a palindrome (232210012232).

The spelling of 222100011010 in words is "two hundred twenty-two billion, one hundred million, eleven thousand, ten".