221111201001122 has 32 divisors (see below), whose sum is σ = 350053805260800. Its totient is φ = 104457657973968.

The previous prime is 221111201001101. The next prime is 221111201001143. The reversal of 221111201001122 is 221100102111122.

It is an interprime number because it is at equal distance from previous prime (221111201001101) and next prime (221111201001143).

It is a self number, because there is not a number n which added to its sum of digits gives 221111201001122.

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, 269406863 + ... + 270226349.

It is an arithmetic number, because the mean of its divisors is an integer number (10939181414400).

Almost surely, 2^{221111201001122} is an apocalyptic number.

221111201001122 is a deficient number, since it is larger than the sum of its proper divisors (128942604259678).

221111201001122 is a wasteful number, since it uses less digits than its factorization.

221111201001122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838430.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 221111201001122 its reverse (221100102111122), we get a palindrome (442211303112244).

The spelling of 221111201001122 in words is "two hundred twenty-one trillion, one hundred eleven billion, two hundred one million, one thousand, one hundred twenty-two".