10212200121111 has 24 divisors (see below), whose sum is σ = 14477220278784. Its totient is φ = 6401948530560.

The previous prime is 10212200121083. The next prime is 10212200121181. The reversal of 10212200121111 is 11112100221201.

It is a happy number.

10212200121111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10212200121111 - 2⁶ = 10212200121047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212200121181) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4270695 + ... + 6217976.

It is an arithmetic number, because the mean of its divisors is an integer number (603217511616).

Almost surely, 2^{10212200121111} is an apocalyptic number.

10212200121111 is a deficient number, since it is larger than the sum of its proper divisors (4265020157673).

10212200121111 is a wasteful number, since it uses less digits than its factorization.

10212200121111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10489831 (or 10489814 counting only the distinct ones).

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

Adding to 10212200121111 its reverse (11112100221201), we get a palindrome (21324300342312).

The spelling of 10212200121111 in words is "ten trillion, two hundred twelve billion, two hundred million, one hundred twenty-one thousand, one hundred eleven".