212020210110111 has 32 divisors (see below), whose sum is σ = 308140585663680. Its totient is φ = 128890372706304.

The previous prime is 212020210110103. The next prime is 212020210110161. The reversal of 212020210110111 is 111011012020212.

It is a happy number.

It is not a de Polignac number, because 212020210110111 - 2³ = 212020210110103 is a prime.

It is a super-2 number, since 2×212020210110111² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212020210110161) 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, 24033390 + ... + 31648763.

It is an arithmetic number, because the mean of its divisors is an integer number (9629393301990).

Almost surely, 2^{212020210110111} is an apocalyptic number.

212020210110111 is a deficient number, since it is larger than the sum of its proper divisors (96120375553569).

212020210110111 is a wasteful number, since it uses less digits than its factorization.

212020210110111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55683355.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 212020210110111 its reverse (111011012020212), we get a palindrome (323031222130323).

The spelling of 212020210110111 in words is "two hundred twelve trillion, twenty billion, two hundred ten million, one hundred ten thousand, one hundred eleven".