2002112102251 has 2 divisors, whose sum is σ = 2002112102252. Its totient is φ = 2002112102250.

The previous prime is 2002112102197. The next prime is 2002112102257. The reversal of 2002112102251 is 1522012112002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2002112102251 - 2¹¹ = 2002112100203 is a prime.

It is not a weakly prime, because it can be changed into another prime (2002112102257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001056051125 + 1001056051126.

It is an arithmetic number, because the mean of its divisors is an integer number (1001056051126).

Almost surely, 2^{2002112102251} is an apocalyptic number.

2002112102251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002112102251 is an equidigital number, since it uses as much as digits as its factorization.

2002112102251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 2002112102251 its reverse (1522012112002), we get a palindrome (3524124214253).

The spelling of 2002112102251 in words is "two trillion, two billion, one hundred twelve million, one hundred two thousand, two hundred fifty-one".