10202012111 has 2 divisors, whose sum is σ = 10202012112. Its totient is φ = 10202012110.

The previous prime is 10202012101. The next prime is 10202012113. The reversal of 10202012111 is 11121020201.

It is a strong prime.

It is an emirp because it is prime and its reverse (11121020201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10202012111 - 2¹⁸ = 10201749967 is a prime.

It is a super-2 number, since 2×10202012111² (a number of 21 digits) contains 22 as substring.

Together with 10202012113, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 10202012092 and 10202012101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10202012113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5101006055 + 5101006056.

It is an arithmetic number, because the mean of its divisors is an integer number (5101006056).

Almost surely, 2^10202012111 is an apocalyptic number.

10202012111 is a deficient number, since it is larger than the sum of its proper divisors (1).

10202012111 is an equidigital number, since it uses as much as digits as its factorization.

10202012111 is an evil number, because the sum of its binary digits is even.

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

Adding to 10202012111 its reverse (11121020201), we get a palindrome (21323032312).

The spelling of 10202012111 in words is "ten billion, two hundred two million, twelve thousand, one hundred eleven".