2020212122111 has 32 divisors (see below), whose sum is σ = 2282661139968. Its totient is φ = 1777883627520.

The previous prime is 2020212122099. The next prime is 2020212122141. The reversal of 2020212122111 is 1112212120202.

It is a cyclic number.

It is not a de Polignac number, because 2020212122111 - 2¹⁰ = 2020212121087 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 2020212122111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020212122141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3137471 + ... + 3726143.

It is an arithmetic number, because the mean of its divisors is an integer number (71333160624).

Almost surely, 2^{2020212122111} is an apocalyptic number.

2020212122111 is a deficient number, since it is larger than the sum of its proper divisors (262449017857).

2020212122111 is a wasteful number, since it uses less digits than its factorization.

2020212122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588911.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2020212122111 its reverse (1112212120202), we get a palindrome (3132424242313).

The spelling of 2020212122111 in words is "two trillion, twenty billion, two hundred twelve million, one hundred twenty-two thousand, one hundred eleven".