220021221210099 has 16 divisors (see below), whose sum is σ = 306118463687424. Its totient is φ = 140302479020000.

The previous prime is 220021221210061. The next prime is 220021221210113. The reversal of 220021221210099 is 990012122120022.

It is a cyclic number.

It is not a de Polignac number, because 220021221210099 - 2⁸ = 220021221209843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220021221210019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 492724 + ... + 20982974.

It is an arithmetic number, because the mean of its divisors is an integer number (19132403980464).

Almost surely, 2^{220021221210099} is an apocalyptic number.

220021221210099 is a deficient number, since it is larger than the sum of its proper divisors (86097242477325).

220021221210099 is a wasteful number, since it uses less digits than its factorization.

220021221210099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20645898.

The product of its (nonzero) digits is 5184, while the sum is 33.

The spelling of 220021221210099 in words is "two hundred twenty trillion, twenty-one billion, two hundred twenty-one million, two hundred ten thousand, ninety-nine".