20202110001121 has 4 divisors (see below), whose sum is σ = 20202120568000. Its totient is φ = 20202099434244.

The previous prime is 20202110001107. The next prime is 20202110001163. The reversal of 20202110001121 is 12110001120202.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 20202110001121 - 2¹⁵ = 20202109968353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20202110001221) 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, 1524021 + ... + 6536578.

It is an arithmetic number, because the mean of its divisors is an integer number (5050530142000).

Almost surely, 2^{20202110001121} is an apocalyptic number.

It is an amenable number.

20202110001121 is a deficient number, since it is larger than the sum of its proper divisors (10566879).

20202110001121 is an equidigital number, since it uses as much as digits as its factorization.

20202110001121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10566878.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20202110001121 its reverse (12110001120202), we get a palindrome (32312111121323).

The spelling of 20202110001121 in words is "twenty trillion, two hundred two billion, one hundred ten million, one thousand, one hundred twenty-one".