220211221221192 has 16 divisors (see below), whose sum is σ = 550528053053040. Its totient is φ = 73403740407056.

The previous prime is 220211221221161. The next prime is 220211221221197. The reversal of 220211221221192 is 291122122112022.

It is not an unprimeable number, because it can be changed into a prime (220211221221197) 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, 4587733775418 + ... + 4587733775465.

It is an arithmetic number, because the mean of its divisors is an integer number (34408003315815).

Almost surely, 2^{220211221221192} is an apocalyptic number.

It is an amenable number.

220211221221192 is an abundant number, since it is smaller than the sum of its proper divisors (330316831831848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220211221221192 is a wasteful number, since it uses less digits than its factorization.

220211221221192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9175467550892 (or 9175467550888 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The spelling of 220211221221192 in words is "two hundred twenty trillion, two hundred eleven billion, two hundred twenty-one million, two hundred twenty-one thousand, one hundred ninety-two".