10102221948877 has 2 divisors, whose sum is σ = 10102221948878. Its totient is φ = 10102221948876.

The previous prime is 10102221948839. The next prime is 10102221948919. The reversal of 10102221948877 is 77884912220101.

It is a happy number.

10102221948877 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9091605922441 + 1010616026436 = 3015229^2 + 1005294^2 .

It is a cyclic number.

It is not a de Polignac number, because 10102221948877 - 2¹⁵ = 10102221916109 is a prime.

It is a super-2 number, since 2×10102221948877² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10102221988877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5051110974438 + 5051110974439.

It is an arithmetic number, because the mean of its divisors is an integer number (5051110974439).

Almost surely, 2^{10102221948877} is an apocalyptic number.

It is an amenable number.

10102221948877 is a deficient number, since it is larger than the sum of its proper divisors (1).

10102221948877 is an equidigital number, since it uses as much as digits as its factorization.

10102221948877 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 903168, while the sum is 52.

The spelling of 10102221948877 in words is "ten trillion, one hundred two billion, two hundred twenty-one million, nine hundred forty-eight thousand, eight hundred seventy-seven".