221101212002 has 32 divisors (see below), whose sum is σ = 377849992320. Its totient is φ = 96050120320.

The previous prime is 221101211953. The next prime is 221101212019. The reversal of 221101212002 is 200212101122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 420524 + ... + 786792.

It is an arithmetic number, because the mean of its divisors is an integer number (11807812260).

Almost surely, 2^221101212002 is an apocalyptic number.

221101212002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221101212002 is a deficient number, since it is larger than the sum of its proper divisors (156748780318).

221101212002 is a wasteful number, since it uses less digits than its factorization.

221101212002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367498.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 221101212002 its reverse (200212101122), we get a palindrome (421313313124).

The spelling of 221101212002 in words is "two hundred twenty-one billion, one hundred one million, two hundred twelve thousand, two".