10221212001111 has 16 divisors (see below), whose sum is σ = 14322117304704. Its totient is φ = 6475789875744.

The previous prime is 10221212001109. The next prime is 10221212001127. The reversal of 10221212001111 is 11110021212201.

It is a happy number.

It is not a de Polignac number, because 10221212001111 - 2¹ = 10221212001109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221212001151) 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, 1070727681 + ... + 1070737226.

It is an arithmetic number, because the mean of its divisors is an integer number (895132331544).

Almost surely, 2^{10221212001111} is an apocalyptic number.

10221212001111 is a deficient number, since it is larger than the sum of its proper divisors (4100905303593).

10221212001111 is a wasteful number, since it uses less digits than its factorization.

10221212001111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2141464990.

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

Adding to 10221212001111 its reverse (11110021212201), we get a palindrome (21331233213312).

The spelling of 10221212001111 in words is "ten trillion, two hundred twenty-one billion, two hundred twelve million, one thousand, one hundred eleven".