212020002121211 has 4 divisors (see below), whose sum is σ = 212020089483672. Its totient is φ = 212019914758752.

The previous prime is 212020002121199. The next prime is 212020002121219. The reversal of 212020002121211 is 112121200020212.

212020002121211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 212020002121211 - 2¹⁸ = 212020001859067 is a prime.

It is a super-2 number, since 2×212020002121211² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212020002121211.

It is not an unprimeable number, because it can be changed into a prime (212020002121219) 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, 39933710 + ... + 44930403.

It is an arithmetic number, because the mean of its divisors is an integer number (53005022370918).

Almost surely, 2^{212020002121211} is an apocalyptic number.

212020002121211 is a deficient number, since it is larger than the sum of its proper divisors (87362461).

212020002121211 is an equidigital number, since it uses as much as digits as its factorization.

212020002121211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87362460.

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

Adding to 212020002121211 its reverse (112121200020212), we get a palindrome (324141202141423).

The spelling of 212020002121211 in words is "two hundred twelve trillion, twenty billion, two million, one hundred twenty-one thousand, two hundred eleven".