2111650006231 has 2 divisors, whose sum is σ = 2111650006232. Its totient is φ = 2111650006230.

The previous prime is 2111650006223. The next prime is 2111650006313. The reversal of 2111650006231 is 1326000561112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2111650006231 - 2³ = 2111650006223 is a prime.

It is a super-2 number, since 2×2111650006231² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2111650006231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2111650000231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055825003115 + 1055825003116.

It is an arithmetic number, because the mean of its divisors is an integer number (1055825003116).

Almost surely, 2^{2111650006231} is an apocalyptic number.

2111650006231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111650006231 is an equidigital number, since it uses as much as digits as its factorization.

2111650006231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 28.

Adding to 2111650006231 its reverse (1326000561112), we get a palindrome (3437650567343).

The spelling of 2111650006231 in words is "two trillion, one hundred eleven billion, six hundred fifty million, six thousand, two hundred thirty-one".