2221111211102 has 32 divisors (see below), whose sum is σ = 4062924652800. Its totient is φ = 889451057088.

The previous prime is 2221111211023. The next prime is 2221111211107. The reversal of 2221111211102 is 2011121111222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221111211107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57172652 + ... + 57211487.

It is an arithmetic number, because the mean of its divisors is an integer number (126966395400).

Almost surely, 2^{2221111211102} is an apocalyptic number.

2221111211102 is a deficient number, since it is larger than the sum of its proper divisors (1841813441698).

2221111211102 is a wasteful number, since it uses less digits than its factorization.

2221111211102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114384240.

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

Adding to 2221111211102 its reverse (2011121111222), we get a palindrome (4232232322324).

The spelling of 2221111211102 in words is "two trillion, two hundred twenty-one billion, one hundred eleven million, two hundred eleven thousand, one hundred two".