2002110020001 has 128 divisors (see below), whose sum is σ = 3844155392000. Its totient is φ = 1000098793728.

The previous prime is 2002110019937. The next prime is 2002110020017. The reversal of 2002110020001 is 1000200112002.

It is not a de Polignac number, because 2002110020001 - 2⁶ = 2002110019937 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (2002110020021) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 156054855 + ... + 156067683.

It is an arithmetic number, because the mean of its divisors is an integer number (30032464000).

Almost surely, 2^{2002110020001} is an apocalyptic number.

2002110020001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2002110020001 is a deficient number, since it is larger than the sum of its proper divisors (1842045371999).

2002110020001 is a wasteful number, since it uses less digits than its factorization.

2002110020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16220 (or 16214 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 2002110020001 its reverse (1000200112002), we get a palindrome (3002310132003).

The spelling of 2002110020001 in words is "two trillion, two billion, one hundred ten million, twenty thousand, one".