2100211111222 has 16 divisors (see below), whose sum is σ = 3600507786912. Its totient is φ = 900054005760.

The previous prime is 2100211111183. The next prime is 2100211111247. The reversal of 2100211111222 is 2221111120012.

It is a junction number, because it is equal to n+sod(n) for n = 2100211111196 and 2100211111205.

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, 2679883 + ... + 3373750.

It is an arithmetic number, because the mean of its divisors is an integer number (225031736682).

Almost surely, 2^{2100211111222} is an apocalyptic number.

2100211111222 is a deficient number, since it is larger than the sum of its proper divisors (1500296675690).

2100211111222 is a wasteful number, since it uses less digits than its factorization.

2100211111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6078423.

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

Adding to 2100211111222 its reverse (2221111120012), we get a palindrome (4321322231234).

The spelling of 2100211111222 in words is "two trillion, one hundred billion, two hundred eleven million, one hundred eleven thousand, two hundred twenty-two".