2001023400201 has 24 divisors (see below), whose sum is σ = 3104334984960. Its totient is φ = 1143181523232.

The previous prime is 2001023400193. The next prime is 2001023400281. The reversal of 2001023400201 is 1020043201002.

It is not a de Polignac number, because 2001023400201 - 2³ = 2001023400193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2001023400281) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 901561 + ... + 2194278.

It is an arithmetic number, because the mean of its divisors is an integer number (129347291040).

Almost surely, 2^{2001023400201} is an apocalyptic number.

2001023400201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2001023400201 is a deficient number, since it is larger than the sum of its proper divisors (1103311584759).

2001023400201 is a wasteful number, since it uses less digits than its factorization.

2001023400201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3100253 (or 3100246 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 2001023400201 its reverse (1020043201002), we get a palindrome (3021066601203).

The spelling of 2001023400201 in words is "two trillion, one billion, twenty-three million, four hundred thousand, two hundred one".