122010101251 has 2 divisors, whose sum is σ = 122010101252. Its totient is φ = 122010101250.

The previous prime is 122010101119. The next prime is 122010101261. The reversal of 122010101251 is 152101010221.

It is a strong prime.

It is an emirp because it is prime and its reverse (152101010221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122010101251 - 2¹³ = 122010093059 is a prime.

It is not a weakly prime, because it can be changed into another prime (122010101261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61005050625 + 61005050626.

It is an arithmetic number, because the mean of its divisors is an integer number (61005050626).

Almost surely, 2^122010101251 is an apocalyptic number.

122010101251 is a deficient number, since it is larger than the sum of its proper divisors (1).

122010101251 is an equidigital number, since it uses as much as digits as its factorization.

122010101251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40, while the sum is 16.

Adding to 122010101251 its reverse (152101010221), we get a palindrome (274111111472).

The spelling of 122010101251 in words is "one hundred twenty-two billion, ten million, one hundred one thousand, two hundred fifty-one".