221011222211102 has 32 divisors (see below), whose sum is σ = 349721662886400. Its totient is φ = 104462656069248.

The previous prime is 221011222211047. The next prime is 221011222211161. The reversal of 221011222211102 is 201112222110122.

It is a congruent number.

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, 76467398 + ... + 79305014.

It is an arithmetic number, because the mean of its divisors is an integer number (10928801965200).

Almost surely, 2^{221011222211102} is an apocalyptic number.

221011222211102 is a deficient number, since it is larger than the sum of its proper divisors (128710440675298).

221011222211102 is a wasteful number, since it uses less digits than its factorization.

221011222211102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2842080.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 221011222211102 its reverse (201112222110122), we get a palindrome (422123444321224).

The spelling of 221011222211102 in words is "two hundred twenty-one trillion, eleven billion, two hundred twenty-two million, two hundred eleven thousand, one hundred two".