2111001221222 has 8 divisors (see below), whose sum is σ = 3177770522472. Its totient is φ = 1051744380400.

The previous prime is 2111001221201. The next prime is 2111001221233. The reversal of 2111001221222 is 2221221001112.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2111001221222.

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, 1878114404 + ... + 1878115527.

It is an arithmetic number, because the mean of its divisors is an integer number (397221315309).

Almost surely, 2^{2111001221222} is an apocalyptic number.

2111001221222 is a deficient number, since it is larger than the sum of its proper divisors (1066769301250).

2111001221222 is a wasteful number, since it uses less digits than its factorization.

2111001221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3756230214.

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

Adding to 2111001221222 its reverse (2221221001112), we get a palindrome (4332222222334).

The spelling of 2111001221222 in words is "two trillion, one hundred eleven billion, one million, two hundred twenty-one thousand, two hundred twenty-two".