221002212011110 has 16 divisors (see below), whose sum is σ = 415099806908256. Its totient is φ = 84557368073728.

The previous prime is 221002212011099. The next prime is 221002212011149. The reversal of 221002212011110 is 11110212200122.

It is a super-2 number, since 2×221002212011110² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480439591099 + ... + 480439591558.

It is an arithmetic number, because the mean of its divisors is an integer number (25943737931766).

Almost surely, 2^{221002212011110} is an apocalyptic number.

221002212011110 is a deficient number, since it is larger than the sum of its proper divisors (194097594897146).

221002212011110 is a wasteful number, since it uses less digits than its factorization.

221002212011110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960879182687.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 221002212011110 its reverse (11110212200122), we get a palindrome (232112424211232).

The spelling of 221002212011110 in words is "two hundred twenty-one trillion, two billion, two hundred twelve million, eleven thousand, one hundred ten".