22011221011210 has 32 divisors (see below), whose sum is σ = 40337654942592. Its totient is φ = 8646323887680.

The previous prime is 22011221011187. The next prime is 22011221011259. The reversal of 22011221011210 is 1211012211022.

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, 79261221 + ... + 79538440.

It is an arithmetic number, because the mean of its divisors is an integer number (1260551716956).

Almost surely, 2^{22011221011210} is an apocalyptic number.

22011221011210 is a deficient number, since it is larger than the sum of its proper divisors (18326433931382).

22011221011210 is a wasteful number, since it uses less digits than its factorization.

22011221011210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158799918.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22011221011210 its reverse (1211012211022), we get a palindrome (23222233222232).

The spelling of 22011221011210 in words is "twenty-two trillion, eleven billion, two hundred twenty-one million, eleven thousand, two hundred ten".