221122222101002 has 16 divisors (see below), whose sum is σ = 331802200173600. Its totient is φ = 110521490225328.

The previous prime is 221122222100999. The next prime is 221122222101029. The reversal of 221122222101002 is 200101222221122.

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, 314859533 + ... + 315561039.

It is an arithmetic number, because the mean of its divisors is an integer number (20737637510850).

Almost surely, 2^{221122222101002} is an apocalyptic number.

221122222101002 is a deficient number, since it is larger than the sum of its proper divisors (110679978072598).

221122222101002 is a wasteful number, since it uses less digits than its factorization.

221122222101002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757765.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 221122222101002 its reverse (200101222221122), we get a palindrome (421223444322124).

The spelling of 221122222101002 in words is "two hundred twenty-one trillion, one hundred twenty-two billion, two hundred twenty-two million, one hundred one thousand, two".