122200021001501 has 2 divisors, whose sum is σ = 122200021001502. Its totient is φ = 122200021001500.

The previous prime is 122200021001459. The next prime is 122200021001503. The reversal of 122200021001501 is 105100120002221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77538133469476 + 44661887532025 = 8805574^2 + 6682955^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122200021001501 is a prime.

Together with 122200021001503, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122200021001501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122200021001503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61100010500750 + 61100010500751.

It is an arithmetic number, because the mean of its divisors is an integer number (61100010500751).

Almost surely, 2^{122200021001501} is an apocalyptic number.

It is an amenable number.

122200021001501 is a deficient number, since it is larger than the sum of its proper divisors (1).

122200021001501 is an equidigital number, since it uses as much as digits as its factorization.

122200021001501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 122200021001501 its reverse (105100120002221), we get a palindrome (227300141003722).

The spelling of 122200021001501 in words is "one hundred twenty-two trillion, two hundred billion, twenty-one million, one thousand, five hundred one".