212020120100011 has 4 divisors (see below), whose sum is σ = 212020197212224. Its totient is φ = 212020042987800.

The previous prime is 212020120100003. The next prime is 212020120100017. The reversal of 212020120100011 is 110001021020212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212020120100011 - 2³ = 212020120100003 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212020120099964 and 212020120100000.

It is not an unprimeable number, because it can be changed into a prime (212020120100017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34273275 + ... + 39983716.

It is an arithmetic number, because the mean of its divisors is an integer number (53005049303056).

Almost surely, 2^{212020120100011} is an apocalyptic number.

212020120100011 is a deficient number, since it is larger than the sum of its proper divisors (77112213).

212020120100011 is an equidigital number, since it uses as much as digits as its factorization.

212020120100011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77112212.

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

Adding to 212020120100011 its reverse (110001021020212), we get a palindrome (322021141120223).

The spelling of 212020120100011 in words is "two hundred twelve trillion, twenty billion, one hundred twenty million, one hundred thousand, eleven".