2111111011222 has 8 divisors (see below), whose sum is σ = 3166776097272. Its totient is φ = 1055518978800.

The previous prime is 2111111011211. The next prime is 2111111011253. The reversal of 2111111011222 is 2221101111112.

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

It is a super-3 number, since 3×2111111011222³ (a number of 38 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2111111011196 and 2111111011205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18191104 + ... + 18306787.

It is an arithmetic number, because the mean of its divisors is an integer number (395847012159).

Almost surely, 2^{2111111011222} is an apocalyptic number.

2111111011222 is a deficient number, since it is larger than the sum of its proper divisors (1055665086050).

2111111011222 is a wasteful number, since it uses less digits than its factorization.

2111111011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36526814.

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

Adding to 2111111011222 its reverse (2221101111112), we get a palindrome (4332212122334).

The spelling of 2111111011222 in words is "two trillion, one hundred eleven billion, one hundred eleven million, eleven thousand, two hundred twenty-two".