221132311122002 has 8 divisors (see below), whose sum is σ = 379083961923456. Its totient is φ = 94770990480852.

The previous prime is 221132311121987. The next prime is 221132311122031. The reversal of 221132311122002 is 200221113231122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7897582540058 + ... + 7897582540085.

It is an arithmetic number, because the mean of its divisors is an integer number (47385495240432).

Almost surely, 2^{221132311122002} is an apocalyptic number.

221132311122002 is a deficient number, since it is larger than the sum of its proper divisors (157951650801454).

221132311122002 is a wasteful number, since it uses less digits than its factorization.

221132311122002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15795165080152.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 221132311122002 its reverse (200221113231122), we get a palindrome (421353424353124).

The spelling of 221132311122002 in words is "two hundred twenty-one trillion, one hundred thirty-two billion, three hundred eleven million, one hundred twenty-two thousand, two".