2020100221111 has 8 divisors (see below), whose sum is σ = 2430195754880. Its totient is φ = 1640382134328.

The previous prime is 2020100221109. The next prime is 2020100221127. The reversal of 2020100221111 is 1111220010202.

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

It is not a de Polignac number, because 2020100221111 - 2¹ = 2020100221109 is a prime.

It is a super-4 number, since 4×2020100221111⁴ (a number of 50 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2020100221091 and 2020100221100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020100221151) 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, 7594361601 + ... + 7594361866.

It is an arithmetic number, because the mean of its divisors is an integer number (303774469360).

Almost surely, 2^{2020100221111} is an apocalyptic number.

2020100221111 is a deficient number, since it is larger than the sum of its proper divisors (410095533769).

2020100221111 is a wasteful number, since it uses less digits than its factorization.

2020100221111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15188723493.

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

Adding to 2020100221111 its reverse (1111220010202), we get a palindrome (3131320231313).

The spelling of 2020100221111 in words is "two trillion, twenty billion, one hundred million, two hundred twenty-one thousand, one hundred eleven".