121201522233413 has 4 divisors (see below), whose sum is σ = 121231664371788. Its totient is φ = 121171380095040.

The previous prime is 121201522233401. The next prime is 121201522233427. The reversal of 121201522233413 is 314332225102121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45384501187204 + 75817021046209 = 6736802^2 + 8707297^2 .

It is a cyclic number.

It is not a de Polignac number, because 121201522233413 - 2¹⁸ = 121201521971269 is a prime.

It is a super-3 number, since 3×121201522233413³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121201522233413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121201522233313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15071063156 + ... + 15071071197.

It is an arithmetic number, because the mean of its divisors is an integer number (30307916092947).

Almost surely, 2^{121201522233413} is an apocalyptic number.

It is an amenable number.

121201522233413 is a deficient number, since it is larger than the sum of its proper divisors (30142138375).

121201522233413 is an equidigital number, since it uses as much as digits as its factorization.

121201522233413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30142138374.

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 121201522233413 its reverse (314332225102121), we get a palindrome (435533747335534).

The spelling of 121201522233413 in words is "one hundred twenty-one trillion, two hundred one billion, five hundred twenty-two million, two hundred thirty-three thousand, four hundred thirteen".