201121122001279 has 2 divisors, whose sum is σ = 201121122001280. Its totient is φ = 201121122001278.

The previous prime is 201121122001199. The next prime is 201121122001291. The reversal of 201121122001279 is 972100221121102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201121122001279 - 2⁴³ = 192325028979071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201121122001279.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201121122007279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100560561000639 + 100560561000640.

It is an arithmetic number, because the mean of its divisors is an integer number (100560561000640).

Almost surely, 2^{201121122001279} is an apocalyptic number.

201121122001279 is a deficient number, since it is larger than the sum of its proper divisors (1).

201121122001279 is an equidigital number, since it uses as much as digits as its factorization.

201121122001279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 31.

The spelling of 201121122001279 in words is "two hundred one trillion, one hundred twenty-one billion, one hundred twenty-two million, one thousand, two hundred seventy-nine".