222128161920001 has 12 divisors (see below), whose sum is σ = 230220194742612. Its totient is φ = 214243215796064.

The previous prime is 222128161919957. The next prime is 222128161920031. The reversal of 222128161920001 is 100029161821222.

It can be written as a sum of positive squares in 2 ways, for example, as 165220148732401 + 56908013187600 = 12853799^2 + 7543740^2 .

It is not a de Polignac number, because 222128161920001 - 2¹³ = 222128161911809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222128161920031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 601811686 + ... + 602180671.

It is an arithmetic number, because the mean of its divisors is an integer number (19185016228551).

Almost surely, 2^{222128161920001} is an apocalyptic number.

It is an amenable number.

222128161920001 is a deficient number, since it is larger than the sum of its proper divisors (8092032822611).

222128161920001 is an equidigital number, since it uses as much as digits as its factorization.

222128161920001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203992528 (or 1203992469 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 37.

The spelling of 222128161920001 in words is "two hundred twenty-two trillion, one hundred twenty-eight billion, one hundred sixty-one million, nine hundred twenty thousand, one".