212210011020111 has 16 divisors (see below), whose sum is σ = 305064895113216. Its totient is φ = 130439454119136.

The previous prime is 212210011020107. The next prime is 212210011020131. The reversal of 212210011020111 is 111020110012212.

It is a happy number.

It is not a de Polignac number, because 212210011020111 - 2² = 212210011020107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212210011020101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3152505355 + ... + 3152572668.

It is an arithmetic number, because the mean of its divisors is an integer number (19066555944576).

Almost surely, 2^{212210011020111} is an apocalyptic number.

212210011020111 is a deficient number, since it is larger than the sum of its proper divisors (92854884093105).

212210011020111 is a wasteful number, since it uses less digits than its factorization.

212210011020111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6305078902.

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

Adding to 212210011020111 its reverse (111020110012212), we get a palindrome (323230121032323).

The spelling of 212210011020111 in words is "two hundred twelve trillion, two hundred ten billion, eleven million, twenty thousand, one hundred eleven".