220001021192 has 32 divisors (see below), whose sum is σ = 421883225280. Its totient is φ = 107514613440.

The previous prime is 220001021117. The next prime is 220001021209. The reversal of 220001021192 is 291120100022.

It is a happy number.

It is a super-3 number, since 3×220001021192³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 874934 + ... + 1097957.

It is an arithmetic number, because the mean of its divisors is an integer number (13183850790).

Almost surely, 2^220001021192 is an apocalyptic number.

It is an amenable number.

220001021192 is a deficient number, since it is larger than the sum of its proper divisors (201882204088).

220001021192 is a wasteful number, since it uses less digits than its factorization.

220001021192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1973213 (or 1973209 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 220001021192 in words is "two hundred twenty billion, one million, twenty-one thousand, one hundred ninety-two".