212020122111 has 8 divisors (see below), whose sum is σ = 323078281344. Its totient is φ = 121154355480.

The previous prime is 212020122109. The next prime is 212020122133. The reversal of 212020122111 is 111221020212.

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

It is not a de Polignac number, because 212020122111 - 2¹ = 212020122109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212020122101) 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, 5048098125 + ... + 5048098166.

It is an arithmetic number, because the mean of its divisors is an integer number (40384785168).

Almost surely, 2^212020122111 is an apocalyptic number.

212020122111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

212020122111 is a deficient number, since it is larger than the sum of its proper divisors (111058159233).

212020122111 is a wasteful number, since it uses less digits than its factorization.

212020122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10096196301.

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

Adding to 212020122111 its reverse (111221020212), we get a palindrome (323241142323).

The spelling of 212020122111 in words is "two hundred twelve billion, twenty million, one hundred twenty-two thousand, one hundred eleven".