121522341401 has 2 divisors, whose sum is σ = 121522341402. Its totient is φ = 121522341400.

The previous prime is 121522341379. The next prime is 121522341491. The reversal of 121522341401 is 104143225121.

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., 94543950400 + 26978391001 = 307480^2 + 164251^2 .

It is a cyclic number.

It is not a de Polignac number, because 121522341401 - 2³⁴ = 104342472217 is a prime.

It is not a weakly prime, because it can be changed into another prime (121522341491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60761170700 + 60761170701.

It is an arithmetic number, because the mean of its divisors is an integer number (60761170701).

Almost surely, 2^121522341401 is an apocalyptic number.

It is an amenable number.

121522341401 is a deficient number, since it is larger than the sum of its proper divisors (1).

121522341401 is an equidigital number, since it uses as much as digits as its factorization.

121522341401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 121522341401 its reverse (104143225121), we get a palindrome (225665566522).

The spelling of 121522341401 in words is "one hundred twenty-one billion, five hundred twenty-two million, three hundred forty-one thousand, four hundred one".