10212201111 has 32 divisors (see below), whose sum is σ = 16406438400. Its totient is φ = 5519646720.

The previous prime is 10212201101. The next prime is 10212201127. The reversal of 10212201111 is 11110221201.

It is not a de Polignac number, because 10212201111 - 2⁷ = 10212200983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212201101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 235795 + ... + 275723.

It is an arithmetic number, because the mean of its divisors is an integer number (512701200).

Almost surely, 2^10212201111 is an apocalyptic number.

10212201111 is a deficient number, since it is larger than the sum of its proper divisors (6194237289).

10212201111 is a wasteful number, since it uses less digits than its factorization.

10212201111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40599.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10212201111 its reverse (11110221201), we get a palindrome (21322422312).

The spelling of 10212201111 in words is "ten billion, two hundred twelve million, two hundred one thousand, one hundred eleven".