1221112210119 has 16 divisors (see below), whose sum is σ = 1733447570400. Its totient is φ = 761954964480.

The previous prime is 1221112210099. The next prime is 1221112210169. The reversal of 1221112210119 is 9110122111221.

It is not a de Polignac number, because 1221112210119 - 2¹³ = 1221112201927 is a prime.

It is a super-2 number, since 2×1221112210119² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1221112210169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66132694 + ... + 66151155.

It is an arithmetic number, because the mean of its divisors is an integer number (108340473150).

Almost surely, 2^{1221112210119} is an apocalyptic number.

1221112210119 is a deficient number, since it is larger than the sum of its proper divisors (512335360281).

1221112210119 is a wasteful number, since it uses less digits than its factorization.

1221112210119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132284050.

The product of its (nonzero) digits is 144, while the sum is 24.

The spelling of 1221112210119 in words is "one trillion, two hundred twenty-one billion, one hundred twelve million, two hundred ten thousand, one hundred nineteen".