2002000101091 has 2 divisors, whose sum is σ = 2002000101092. Its totient is φ = 2002000101090.

The previous prime is 2002000101083. The next prime is 2002000101173. The reversal of 2002000101091 is 1901010002002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2002000101091 - 2³ = 2002000101083 is a prime.

It is not a weakly prime, because it can be changed into another prime (2002000101691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001000050545 + 1001000050546.

It is an arithmetic number, because the mean of its divisors is an integer number (1001000050546).

Almost surely, 2^{2002000101091} is an apocalyptic number.

2002000101091 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002000101091 is an equidigital number, since it uses as much as digits as its factorization.

2002000101091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 2002000101091 its reverse (1901010002002), we get a palindrome (3903010103093).

The spelling of 2002000101091 in words is "two trillion, two billion, one hundred one thousand, ninety-one".