220222021111978 has 8 divisors (see below), whose sum is σ = 330511880093472. Its totient is φ = 110051394414156.

The previous prime is 220222021111879. The next prime is 220222021111979. The reversal of 220222021111978 is 879111120222022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 220222021111978.

It is not an unprimeable number, because it can be changed into a prime (220222021111979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29808066300 + ... + 29808073687.

It is an arithmetic number, because the mean of its divisors is an integer number (41313985011684).

Almost surely, 2^{220222021111978} is an apocalyptic number.

220222021111978 is a deficient number, since it is larger than the sum of its proper divisors (110289858981494).

220222021111978 is a wasteful number, since it uses less digits than its factorization.

220222021111978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59616141836.

The product of its (nonzero) digits is 32256, while the sum is 40.

The spelling of 220222021111978 in words is "two hundred twenty trillion, two hundred twenty-two billion, twenty-one million, one hundred eleven thousand, nine hundred seventy-eight".