2102111011222 has 4 divisors (see below), whose sum is σ = 3153166516836. Its totient is φ = 1051055505610.

The previous prime is 2102111011213. The next prime is 2102111011261. The reversal of 2102111011222 is 2221101112012.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 2102111011196 and 2102111011205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525527752804 + ... + 525527752807.

It is an arithmetic number, because the mean of its divisors is an integer number (788291629209).

Almost surely, 2^{2102111011222} is an apocalyptic number.

2102111011222 is a deficient number, since it is larger than the sum of its proper divisors (1051055505614).

2102111011222 is a wasteful number, since it uses less digits than its factorization.

2102111011222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051055505613.

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

Adding to 2102111011222 its reverse (2221101112012), we get a palindrome (4323212123234).

The spelling of 2102111011222 in words is "two trillion, one hundred two billion, one hundred eleven million, eleven thousand, two hundred twenty-two".