10102122011 has 4 divisors (see below), whose sum is σ = 10107702024. Its totient is φ = 10096542000.

The previous prime is 10102121987. The next prime is 10102122059. The reversal of 10102122011 is 11022120101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10102122011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10102121983 and 10102122001.

It is not an unprimeable number, because it can be changed into a prime (10102122091) 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, 2787290 + ... + 2790911.

It is an arithmetic number, because the mean of its divisors is an integer number (2526925506).

Almost surely, 2^10102122011 is an apocalyptic number.

10102122011 is a deficient number, since it is larger than the sum of its proper divisors (5580013).

10102122011 is an equidigital number, since it uses as much as digits as its factorization.

10102122011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5580012.

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

Adding to 10102122011 its reverse (11022120101), we get a palindrome (21124242112).

The spelling of 10102122011 in words is "ten billion, one hundred two million, one hundred twenty-two thousand, eleven".