102210121001971 has 2 divisors, whose sum is σ = 102210121001972. Its totient is φ = 102210121001970.

The previous prime is 102210121001969. The next prime is 102210121002191. The reversal of 102210121001971 is 179100121012201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102210121001971 - 2¹ = 102210121001969 is a prime.

It is a super-3 number, since 3×102210121001971³ (a number of 43 digits) contains 333 as substring.

Together with 102210121001969, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (102210121001671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51105060500985 + 51105060500986.

It is an arithmetic number, because the mean of its divisors is an integer number (51105060500986).

Almost surely, 2^{102210121001971} is an apocalyptic number.

102210121001971 is a deficient number, since it is larger than the sum of its proper divisors (1).

102210121001971 is an equidigital number, since it uses as much as digits as its factorization.

102210121001971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 28.

The spelling of 102210121001971 in words is "one hundred two trillion, two hundred ten billion, one hundred twenty-one million, one thousand, nine hundred seventy-one".