2020120221111 has 8 divisors (see below), whose sum is σ = 2694668296560. Its totient is φ = 1346159479872.

The previous prime is 2020120221107. The next prime is 2020120221179. The reversal of 2020120221111 is 1111220210202.

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

It is not a de Polignac number, because 2020120221111 - 2² = 2020120221107 is a prime.

It is a super-4 number, since 4×2020120221111⁴ (a number of 50 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020120221181) 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, 146825526 + ... + 146839283.

It is an arithmetic number, because the mean of its divisors is an integer number (336833537070).

Almost surely, 2^{2020120221111} is an apocalyptic number.

2020120221111 is a deficient number, since it is larger than the sum of its proper divisors (674548075449).

2020120221111 is a wasteful number, since it uses less digits than its factorization.

2020120221111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293667105.

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

Adding to 2020120221111 its reverse (1111220210202), we get a palindrome (3131340431313).

The spelling of 2020120221111 in words is "two trillion, twenty billion, one hundred twenty million, two hundred twenty-one thousand, one hundred eleven".