10021222011111 has 128 divisors (see below), whose sum is σ = 14322544727040. Its totient is φ = 6225008025600.

The previous prime is 10021222011089. The next prime is 10021222011209. The reversal of 10021222011111 is 11111022212001.

It is a happy number.

It is not a de Polignac number, because 10021222011111 - 2²⁵ = 10021188456679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021222011511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 17991421645 + ... + 17991422201.

It is an arithmetic number, because the mean of its divisors is an integer number (111894880680).

Almost surely, 2^{10021222011111} is an apocalyptic number.

10021222011111 is a deficient number, since it is larger than the sum of its proper divisors (4301322715929).

10021222011111 is a wasteful number, since it uses less digits than its factorization.

10021222011111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137.

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

Adding to 10021222011111 its reverse (11111022212001), we get a palindrome (21132244223112).

The spelling of 10021222011111 in words is "ten trillion, twenty-one billion, two hundred twenty-two million, eleven thousand, one hundred eleven".