1100212122211 has 16 divisors (see below), whose sum is σ = 1180763373600. Its totient is φ = 1021951876608.

The previous prime is 1100212122151. The next prime is 1100212122257. The reversal of 1100212122211 is 1122212120011.

It is a cyclic number.

It is not a de Polignac number, because 1100212122211 - 2⁹ = 1100212121699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1100212122511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1132545 + ... + 1866301.

It is an arithmetic number, because the mean of its divisors is an integer number (73797710850).

Almost surely, 2^{1100212122211} is an apocalyptic number.

1100212122211 is a deficient number, since it is larger than the sum of its proper divisors (80551251389).

1100212122211 is a wasteful number, since it uses less digits than its factorization.

1100212122211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735318.

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

Adding to 1100212122211 its reverse (1122212120011), we get a palindrome (2222424242222).

The spelling of 1100212122211 in words is "one trillion, one hundred billion, two hundred twelve million, one hundred twenty-two thousand, two hundred eleven".