2221111102102 has 8 divisors (see below), whose sum is σ = 3369101110200. Its totient is φ = 1098077398704.

The previous prime is 2221111102027. The next prime is 2221111102109. The reversal of 2221111102102 is 2012011111222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2221111102102² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221111102109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6239075952 + ... + 6239076307.

It is an arithmetic number, because the mean of its divisors is an integer number (421137638775).

Almost surely, 2^{2221111102102} is an apocalyptic number.

2221111102102 is a deficient number, since it is larger than the sum of its proper divisors (1147990008098).

2221111102102 is a wasteful number, since it uses less digits than its factorization.

2221111102102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12478152350.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2221111102102 its reverse (2012011111222), we get a palindrome (4233122213324).

The spelling of 2221111102102 in words is "two trillion, two hundred twenty-one billion, one hundred eleven million, one hundred two thousand, one hundred two".