220222021111985 has 64 divisors (see below), whose sum is σ = 278534631674880. Its totient is φ = 166925982935040.

The previous prime is 220222021111979. The next prime is 220222021112021. The reversal of 220222021111985 is 589111120222022.

It is not a de Polignac number, because 220222021111985 - 2¹⁰ = 220222021110961 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1071938984 + ... + 1072144406.

It is an arithmetic number, because the mean of its divisors is an integer number (4352103619920).

Almost surely, 2^{220222021111985} is an apocalyptic number.

It is an amenable number.

220222021111985 is a deficient number, since it is larger than the sum of its proper divisors (58312610562895).

220222021111985 is a wasteful number, since it uses less digits than its factorization.

220222021111985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206138.

The product of its (nonzero) digits is 23040, while the sum is 38.

The spelling of 220222021111985 in words is "two hundred twenty trillion, two hundred twenty-two billion, twenty-one million, one hundred eleven thousand, nine hundred eighty-five".