102120010211 has 4 divisors (see below), whose sum is σ = 102293980152. Its totient is φ = 101946040272.

The previous prime is 102120010199. The next prime is 102120010217. The reversal of 102120010211 is 112010021201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112010021201 = 13 ⋅8616155477.

It is a cyclic number.

It is not a de Polignac number, because 102120010211 - 2²⁶ = 102052901347 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102120010192 and 102120010201.

It is not an unprimeable number, because it can be changed into a prime (102120010217) 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, 86984090 + ... + 86985263.

It is an arithmetic number, because the mean of its divisors is an integer number (25573495038).

Almost surely, 2^102120010211 is an apocalyptic number.

102120010211 is a deficient number, since it is larger than the sum of its proper divisors (173969941).

102120010211 is an equidigital number, since it uses as much as digits as its factorization.

102120010211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173969940.

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

Adding to 102120010211 its reverse (112010021201), we get a palindrome (214130031412).

The spelling of 102120010211 in words is "one hundred two billion, one hundred twenty million, ten thousand, two hundred eleven".