102010212101 has 4 divisors (see below), whose sum is σ = 116583099552. Its totient is φ = 87437324652.

The previous prime is 102010212097. The next prime is 102010212103. The reversal of 102010212101 is 101212010201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 101212010201 = 84719 ⋅1194679.

It is a cyclic number.

It is not a de Polignac number, because 102010212101 - 2² = 102010212097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102010212103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7286443715 + ... + 7286443728.

It is an arithmetic number, because the mean of its divisors is an integer number (29145774888).

Almost surely, 2^102010212101 is an apocalyptic number.

It is an amenable number.

102010212101 is a deficient number, since it is larger than the sum of its proper divisors (14572887451).

102010212101 is an equidigital number, since it uses as much as digits as its factorization.

102010212101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14572887450.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 102010212101 its reverse (101212010201), we get a palindrome (203222222302).

The spelling of 102010212101 in words is "one hundred two billion, ten million, two hundred twelve thousand, one hundred one".