20010333122121 has 4 divisors (see below), whose sum is σ = 26680444162832. Its totient is φ = 13340222081412.

The previous prime is 20010333122119. The next prime is 20010333122123. The reversal of 20010333122121 is 12122133301002.

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 an interprime number because it is at equal distance from previous prime (20010333122119) and next prime (20010333122123).

It is not a de Polignac number, because 20010333122121 - 2¹ = 20010333122119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20010333122123) 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, 3335055520351 + ... + 3335055520356.

It is an arithmetic number, because the mean of its divisors is an integer number (6670111040708).

Almost surely, 2^{20010333122121} is an apocalyptic number.

It is an amenable number.

20010333122121 is a deficient number, since it is larger than the sum of its proper divisors (6670111040711).

20010333122121 is an equidigital number, since it uses as much as digits as its factorization.

20010333122121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6670111040710.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 20010333122121 its reverse (12122133301002), we get a palindrome (32132466423123).

The spelling of 20010333122121 in words is "twenty trillion, ten billion, three hundred thirty-three million, one hundred twenty-two thousand, one hundred twenty-one".