20112000121051 has 2 divisors, whose sum is σ = 20112000121052. Its totient is φ = 20112000121050.

The previous prime is 20112000121049. The next prime is 20112000121063. The reversal of 20112000121051 is 15012100021102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20112000121051 - 2¹ = 20112000121049 is a prime.

Together with 20112000121049, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (20112000221051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056000060525 + 10056000060526.

It is an arithmetic number, because the mean of its divisors is an integer number (10056000060526).

Almost surely, 2^{20112000121051} is an apocalyptic number.

20112000121051 is a deficient number, since it is larger than the sum of its proper divisors (1).

20112000121051 is an equidigital number, since it uses as much as digits as its factorization.

20112000121051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40, while the sum is 16.

Adding to 20112000121051 its reverse (15012100021102), we get a palindrome (35124100142153).

The spelling of 20112000121051 in words is "twenty trillion, one hundred twelve billion, one hundred twenty-one thousand, fifty-one".