120220010221501 has 2 divisors, whose sum is σ = 120220010221502. Its totient is φ = 120220010221500.

The previous prime is 120220010221463. The next prime is 120220010221547. The reversal of 120220010221501 is 105122010022021.

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., 108692593229476 + 11527416992025 = 10425574^2 + 3395205^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120220010221501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120220010221561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60110005110750 + 60110005110751.

It is an arithmetic number, because the mean of its divisors is an integer number (60110005110751).

Almost surely, 2^{120220010221501} is an apocalyptic number.

It is an amenable number.

120220010221501 is a deficient number, since it is larger than the sum of its proper divisors (1).

120220010221501 is an equidigital number, since it uses as much as digits as its factorization.

120220010221501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 120220010221501 its reverse (105122010022021), we get a palindrome (225342020243522).

The spelling of 120220010221501 in words is "one hundred twenty trillion, two hundred twenty billion, ten million, two hundred twenty-one thousand, five hundred one".