58911121101221 has 8 divisors (see below), whose sum is σ = 59116011809400. Its totient is φ = 58706436627648.

The previous prime is 58911121101163. The next prime is 58911121101271. The reversal of 58911121101221 is 12210112111985.

It can be written as a sum of positive squares in 4 ways, for example, as 6247275297025 + 52663845804196 = 2499455^2 + 7256986^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-58911121101221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58911121101271) 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, 50986346 + ... + 52128971.

It is an arithmetic number, because the mean of its divisors is an integer number (7389501476175).

Almost surely, 2^{58911121101221} is an apocalyptic number.

It is an amenable number.

58911121101221 is a deficient number, since it is larger than the sum of its proper divisors (204890708179).

58911121101221 is a wasteful number, since it uses less digits than its factorization.

58911121101221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103117303.

The product of its (nonzero) digits is 2880, while the sum is 35.

The spelling of 58911121101221 in words is "fifty-eight trillion, nine hundred eleven billion, one hundred twenty-one million, one hundred one thousand, two hundred twenty-one".