201161222129 has 8 divisors (see below), whose sum is σ = 229902588480. Its totient is φ = 172420868016.

The previous prime is 201161222113. The next prime is 201161222147. The reversal of 201161222129 is 921222161102.

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

It is a cyclic number.

It is not a de Polignac number, because 201161222129 - 2⁴ = 201161222113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201161222149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235742 + ... + 676680.

It is an arithmetic number, because the mean of its divisors is an integer number (28737823560).

Almost surely, 2^201161222129 is an apocalyptic number.

It is an amenable number.

201161222129 is a deficient number, since it is larger than the sum of its proper divisors (28741366351).

201161222129 is an equidigital number, since it uses as much as digits as its factorization.

201161222129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506119.

The product of its (nonzero) digits is 1728, while the sum is 29.

The spelling of 201161222129 in words is "two hundred one billion, one hundred sixty-one million, two hundred twenty-two thousand, one hundred twenty-nine".