212210121120011 has 16 divisors (see below), whose sum is σ = 244273747872000. Its totient is φ = 180583501426848.

The previous prime is 212210121119993. The next prime is 212210121120017. The reversal of 212210121120011 is 110021121012212.

It is a cyclic number.

It is not a de Polignac number, because 212210121120011 - 2¹⁴ = 212210121103627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212210121120017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77509265 + ... + 80200413.

It is an arithmetic number, because the mean of its divisors is an integer number (15267109242000).

Almost surely, 2^{212210121120011} is an apocalyptic number.

212210121120011 is a deficient number, since it is larger than the sum of its proper divisors (32063626751989).

212210121120011 is a wasteful number, since it uses less digits than its factorization.

212210121120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2772338.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 212210121120011 its reverse (110021121012212), we get a palindrome (322231242132223).

The spelling of 212210121120011 in words is "two hundred twelve trillion, two hundred ten billion, one hundred twenty-one million, one hundred twenty thousand, eleven".