122021112101501 has 2 divisors, whose sum is σ = 122021112101502. Its totient is φ = 122021112101500.

The previous prime is 122021112101431. The next prime is 122021112101543. The reversal of 122021112101501 is 105101211120221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82011679360900 + 40009432740601 = 9056030^2 + 6325301^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122021112101501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122021112101701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61010556050750 + 61010556050751.

It is an arithmetic number, because the mean of its divisors is an integer number (61010556050751).

Almost surely, 2^{122021112101501} is an apocalyptic number.

It is an amenable number.

122021112101501 is a deficient number, since it is larger than the sum of its proper divisors (1).

122021112101501 is an equidigital number, since it uses as much as digits as its factorization.

122021112101501 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 20.

Adding to 122021112101501 its reverse (105101211120221), we get a palindrome (227122323221722).

The spelling of 122021112101501 in words is "one hundred twenty-two trillion, twenty-one billion, one hundred twelve million, one hundred one thousand, five hundred one".