10201212210111 has 64 divisors (see below), whose sum is σ = 15546142316544. Its totient is φ = 5902177881600.

The previous prime is 10201212210103. The next prime is 10201212210169. The reversal of 10201212210111 is 11101221210201.

It is a happy number.

It is not a de Polignac number, because 10201212210111 - 2³ = 10201212210103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10201212210011) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 79439646 + ... + 79567956.

It is an arithmetic number, because the mean of its divisors is an integer number (242908473696).

Almost surely, 2^{10201212210111} is an apocalyptic number.

10201212210111 is a deficient number, since it is larger than the sum of its proper divisors (5344930106433).

10201212210111 is a wasteful number, since it uses less digits than its factorization.

10201212210111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129864.

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

Adding to 10201212210111 its reverse (11101221210201), we get a palindrome (21302433420312).

The spelling of 10201212210111 in words is "ten trillion, two hundred one billion, two hundred twelve million, two hundred ten thousand, one hundred eleven".