220001122101010 has 64 divisors (see below), whose sum is σ = 433791618311520. Its totient is φ = 79961155993600.

The previous prime is 220001122101001. The next prime is 220001122101029. The reversal of 220001122101010 is 10101221100022.

It can be written as a sum of positive squares in 16 ways, for example, as 5959569735729 + 214041552365281 = 2441223^2 + 14630159^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56288202 + ... + 60069658.

Almost surely, 2^{220001122101010} is an apocalyptic number.

220001122101010 is a deficient number, since it is larger than the sum of its proper divisors (213790496210510).

220001122101010 is a wasteful number, since it uses less digits than its factorization.

220001122101010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3793311.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 220001122101010 its reverse (10101221100022), we get a palindrome (230102343201032).

The spelling of 220001122101010 in words is "two hundred twenty trillion, one billion, one hundred twenty-two million, one hundred one thousand, ten".