2020012122111 has 4 divisors (see below), whose sum is σ = 2693349496152. Its totient is φ = 1346674748072.

The previous prime is 2020012122097. The next prime is 2020012122119. The reversal of 2020012122111 is 1112212100202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2020012122111 - 2⁷ = 2020012121983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020012122119) 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, 336668687016 + ... + 336668687021.

It is an arithmetic number, because the mean of its divisors is an integer number (673337374038).

Almost surely, 2^{2020012122111} is an apocalyptic number.

2020012122111 is a deficient number, since it is larger than the sum of its proper divisors (673337374041).

2020012122111 is an equidigital number, since it uses as much as digits as its factorization.

2020012122111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673337374040.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2020012122111 its reverse (1112212100202), we get a palindrome (3132224222313).

The spelling of 2020012122111 in words is "two trillion, twenty billion, twelve million, one hundred twenty-two thousand, one hundred eleven".