20212001012103 has 8 divisors (see below), whose sum is σ = 27328902777216. Its totient is φ = 13284883294200.

The previous prime is 20212001012087. The next prime is 20212001012131. The reversal of 20212001012103 is 30121010021202.

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

It is not a de Polignac number, because 20212001012103 - 2⁴ = 20212001012087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212001012303) 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, 47446011553 + ... + 47446011978.

It is an arithmetic number, because the mean of its divisors is an integer number (3416112847152).

Almost surely, 2^{20212001012103} is an apocalyptic number.

20212001012103 is a deficient number, since it is larger than the sum of its proper divisors (7116901765113).

20212001012103 is an equidigital number, since it uses as much as digits as its factorization.

20212001012103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94892023605.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 20212001012103 its reverse (30121010021202), we get a palindrome (50333011033305).

Subtracting 20212001012103 from its reverse (30121010021202), we obtain a palindrome (9909009009099).

It can be divided in two parts, 2021200 and 1012103, that added together give a palindrome (3033303).

The spelling of 20212001012103 in words is "twenty trillion, two hundred twelve billion, one million, twelve thousand, one hundred three".