2231001100021 has 8 divisors (see below), whose sum is σ = 2328056519040. Its totient is φ = 2133950295312.

The previous prime is 2231001099997. The next prime is 2231001100033. The reversal of 2231001100021 is 1200011001322.

2231001100021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2231001100021 - 2¹⁷ = 2231000968949 is a prime.

It is a super-3 number, since 3×2231001100021³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2231001099974 and 2231001100010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231001100061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146850 + ... + 2117443.

It is an arithmetic number, because the mean of its divisors is an integer number (291007064880).

Almost surely, 2^{2231001100021} is an apocalyptic number.

It is an amenable number.

2231001100021 is a deficient number, since it is larger than the sum of its proper divisors (97055419019).

2231001100021 is a wasteful number, since it uses less digits than its factorization.

2231001100021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2307155.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 2231001100021 its reverse (1200011001322), we get a palindrome (3431012101343).

The spelling of 2231001100021 in words is "two trillion, two hundred thirty-one billion, one million, one hundred thousand, twenty-one".