1122210121112 has 16 divisors (see below), whose sum is σ = 2176700666400. Its totient is φ = 541756610080.

The previous prime is 1122210121111. The next prime is 1122210121129. The reversal of 1122210121112 is 2111210122211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122210121111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2418556064 + ... + 2418556527.

It is an arithmetic number, because the mean of its divisors is an integer number (136043791650).

Almost surely, 2^{1122210121112} is an apocalyptic number.

It is an amenable number.

1122210121112 is a deficient number, since it is larger than the sum of its proper divisors (1054490545288).

1122210121112 is a wasteful number, since it uses less digits than its factorization.

1122210121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4837112626 (or 4837112622 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 1122210121112 its reverse (2111210122211), we get a palindrome (3233420243323).

The spelling of 1122210121112 in words is "one trillion, one hundred twenty-two billion, two hundred ten million, one hundred twenty-one thousand, one hundred twelve".