20100112051 has 2 divisors, whose sum is σ = 20100112052. Its totient is φ = 20100112050.

The previous prime is 20100112049. The next prime is 20100112063. The reversal of 20100112051 is 15021100102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20100112051 - 2¹ = 20100112049 is a prime.

Together with 20100112049, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (20100112001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10050056025 + 10050056026.

It is an arithmetic number, because the mean of its divisors is an integer number (10050056026).

Almost surely, 2^20100112051 is an apocalyptic number.

20100112051 is a deficient number, since it is larger than the sum of its proper divisors (1).

20100112051 is an equidigital number, since it uses as much as digits as its factorization.

20100112051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20, while the sum is 13.

Adding to 20100112051 its reverse (15021100102), we get a palindrome (35121212153).

The spelling of 20100112051 in words is "twenty billion, one hundred million, one hundred twelve thousand, fifty-one".