354532211125121 has 2 divisors, whose sum is σ = 354532211125122. Its totient is φ = 354532211125120.

The previous prime is 354532211125109. The next prime is 354532211125171. The reversal of 354532211125121 is 121521112235453.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 228783775360000 + 125748435765121 = 15125600^2 + 11213761^2 .

It is a cyclic number.

It is not a de Polignac number, because 354532211125121 - 2¹⁴ = 354532211108737 is a prime.

It is not a weakly prime, because it can be changed into another prime (354532211125171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177266105562560 + 177266105562561.

It is an arithmetic number, because the mean of its divisors is an integer number (177266105562561).

Almost surely, 2^{354532211125121} is an apocalyptic number.

It is an amenable number.

354532211125121 is a deficient number, since it is larger than the sum of its proper divisors (1).

354532211125121 is an equidigital number, since it uses as much as digits as its factorization.

354532211125121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72000, while the sum is 38.

The spelling of 354532211125121 in words is "three hundred fifty-four trillion, five hundred thirty-two billion, two hundred eleven million, one hundred twenty-five thousand, one hundred twenty-one".