102676127221 has 2 divisors, whose sum is σ = 102676127222. Its totient is φ = 102676127220.

The previous prime is 102676127137. The next prime is 102676127231. The reversal of 102676127221 is 122721676201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93544222500 + 9131904721 = 305850^2 + 95561^2 .

It is a cyclic number.

It is not a de Polignac number, because 102676127221 - 2²⁵ = 102642572789 is a prime.

It is a super-2 number, since 2×102676127221² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102676127231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51338063610 + 51338063611.

It is an arithmetic number, because the mean of its divisors is an integer number (51338063611).

Almost surely, 2^102676127221 is an apocalyptic number.

It is an amenable number.

102676127221 is a deficient number, since it is larger than the sum of its proper divisors (1).

102676127221 is an equidigital number, since it uses as much as digits as its factorization.

102676127221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 37.

The spelling of 102676127221 in words is "one hundred two billion, six hundred seventy-six million, one hundred twenty-seven thousand, two hundred twenty-one".