2002001019111 has 16 divisors (see below), whose sum is σ = 2968994617600. Its totient is φ = 1333287114264.

The previous prime is 2002001019107. The next prime is 2002001019119. The reversal of 2002001019111 is 1119101002002.

It is a happy number.

It is not a de Polignac number, because 2002001019111 - 2² = 2002001019107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002001019119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38313181 + ... + 38365398.

It is an arithmetic number, because the mean of its divisors is an integer number (185562163600).

Almost surely, 2^{2002001019111} is an apocalyptic number.

2002001019111 is a deficient number, since it is larger than the sum of its proper divisors (966993598489).

2002001019111 is an equidigital number, since it uses as much as digits as its factorization.

2002001019111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76679555 (or 76679549 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The spelling of 2002001019111 in words is "two trillion, two billion, one million, nineteen thousand, one hundred eleven".