2031021100001 has 4 divisors (see below), whose sum is σ = 2031372311232. Its totient is φ = 2030669888772.

The previous prime is 2031021099983. The next prime is 2031021100013. The reversal of 2031021100001 is 1000011201302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2031021100001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2031021100051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175596941 + ... + 175608506.

It is an arithmetic number, because the mean of its divisors is an integer number (507843077808).

Almost surely, 2^{2031021100001} is an apocalyptic number.

It is an amenable number.

2031021100001 is a deficient number, since it is larger than the sum of its proper divisors (351211231).

2031021100001 is an equidigital number, since it uses as much as digits as its factorization.

2031021100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351211230.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 2031021100001 its reverse (1000011201302), we get a palindrome (3031032301303).

The spelling of 2031021100001 in words is "two trillion, thirty-one billion, twenty-one million, one hundred thousand, one".