10102111211 has 2 divisors, whose sum is σ = 10102111212. Its totient is φ = 10102111210.

The previous prime is 10102111207. The next prime is 10102111231. The reversal of 10102111211 is 11211120101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10102111211 - 2² = 10102111207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10102111192 and 10102111201.

It is not a weakly prime, because it can be changed into another prime (10102111231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5051055605 + 5051055606.

It is an arithmetic number, because the mean of its divisors is an integer number (5051055606).

Almost surely, 2^10102111211 is an apocalyptic number.

10102111211 is a deficient number, since it is larger than the sum of its proper divisors (1).

10102111211 is an equidigital number, since it uses as much as digits as its factorization.

10102111211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 10102111211 its reverse (11211120101), we get a palindrome (21313231312).

The spelling of 10102111211 in words is "ten billion, one hundred two million, one hundred eleven thousand, two hundred eleven".