101002122251 has 2 divisors, whose sum is σ = 101002122252. Its totient is φ = 101002122250.

The previous prime is 101002122197. The next prime is 101002122271. The reversal of 101002122251 is 152221200101.

It is a strong prime.

It is an emirp because it is prime and its reverse (152221200101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101002122251 - 2¹⁸ = 101001860107 is a prime.

It is not a weakly prime, because it can be changed into another prime (101002122271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50501061125 + 50501061126.

It is an arithmetic number, because the mean of its divisors is an integer number (50501061126).

Almost surely, 2^101002122251 is an apocalyptic number.

101002122251 is a deficient number, since it is larger than the sum of its proper divisors (1).

101002122251 is an equidigital number, since it uses as much as digits as its factorization.

101002122251 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 101002122251 its reverse (152221200101), we get a palindrome (253223322352).

The spelling of 101002122251 in words is "one hundred one billion, two million, one hundred twenty-two thousand, two hundred fifty-one".