2000001021127 has 2 divisors, whose sum is σ = 2000001021128. Its totient is φ = 2000001021126.

The previous prime is 2000001021091. The next prime is 2000001021131. The reversal of 2000001021127 is 7211201000002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2000001021127 - 2³⁹ = 1450245207239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2000001021127.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2000001321127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000000510563 + 1000000510564.

It is an arithmetic number, because the mean of its divisors is an integer number (1000000510564).

Almost surely, 2^{2000001021127} is an apocalyptic number.

2000001021127 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000001021127 is an equidigital number, since it uses as much as digits as its factorization.

2000001021127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 16.

Adding to 2000001021127 its reverse (7211201000002), we get a palindrome (9211202021129).

The spelling of 2000001021127 in words is "two trillion, one million, twenty-one thousand, one hundred twenty-seven".