2102111012222 has 16 divisors (see below), whose sum is σ = 3395800856112. Its totient is φ = 970181349120.

The previous prime is 2102111012207. The next prime is 2102111012233. The reversal of 2102111012222 is 2222101112012.

It is a self number, because there is not a number n which added to its sum of digits gives 2102111012222.

It is a congruent number.

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, 117773 + ... + 2053799.

It is an arithmetic number, because the mean of its divisors is an integer number (212237553507).

Almost surely, 2^{2102111012222} is an apocalyptic number.

2102111012222 is a deficient number, since it is larger than the sum of its proper divisors (1293689843890).

2102111012222 is a wasteful number, since it uses less digits than its factorization.

2102111012222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1977803.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2102111012222 its reverse (2222101112012), we get a palindrome (4324212124234).

The spelling of 2102111012222 in words is "two trillion, one hundred two billion, one hundred eleven million, twelve thousand, two hundred twenty-two".