121220953101337 has 2 divisors, whose sum is σ = 121220953101338. Its totient is φ = 121220953101336.

The previous prime is 121220953101329. The next prime is 121220953101383. The reversal of 121220953101337 is 733101359022121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117215895503641 + 4005057597696 = 10826629^2 + 2001264^2 .

It is a cyclic number.

It is not a de Polignac number, because 121220953101337 - 2³ = 121220953101329 is a prime.

It is a super-3 number, since 3×121220953101337³ (a number of 43 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121220953101337.

It is not a weakly prime, because it can be changed into another prime (121220953101637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60610476550668 + 60610476550669.

It is an arithmetic number, because the mean of its divisors is an integer number (60610476550669).

Almost surely, 2^{121220953101337} is an apocalyptic number.

It is an amenable number.

121220953101337 is a deficient number, since it is larger than the sum of its proper divisors (1).

121220953101337 is an equidigital number, since it uses as much as digits as its factorization.

121220953101337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 40.

The spelling of 121220953101337 in words is "one hundred twenty-one trillion, two hundred twenty billion, nine hundred fifty-three million, one hundred one thousand, three hundred thirty-seven".