2002111051 has 2 divisors, whose sum is σ = 2002111052. Its totient is φ = 2002111050.

The previous prime is 2002111043. The next prime is 2002111079. The reversal of 2002111051 is 1501112002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2002111051 - 2³ = 2002111043 is a prime.

It is not a weakly prime, because it can be changed into another prime (2002111081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001055525 + 1001055526.

It is an arithmetic number, because the mean of its divisors is an integer number (1001055526).

Almost surely, 2^2002111051 is an apocalyptic number.

2002111051 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002111051 is an equidigital number, since it uses as much as digits as its factorization.

2002111051 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.

The square root of 2002111051 is about 44744.9555927816. The cubic root of 2002111051 is about 1260.3641869493.

Adding to 2002111051 its reverse (1501112002), we get a palindrome (3503223053).

The spelling of 2002111051 in words is "two billion, two million, one hundred eleven thousand, fifty-one".