1213111221114 has 48 divisors (see below), whose sum is σ = 2765485605600. Its totient is φ = 353619459648.

The previous prime is 1213111221061. The next prime is 1213111221163. The reversal of 1213111221114 is 4111221113121.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31463949 + ... + 31502480.

It is an arithmetic number, because the mean of its divisors is an integer number (57614283450).

Almost surely, 2^{1213111221114} is an apocalyptic number.

1213111221114 is an abundant number, since it is smaller than the sum of its proper divisors (1552374384486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1213111221114 is a wasteful number, since it uses less digits than its factorization.

1213111221114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62966479 (or 62966466 counting only the distinct ones).

The product of its digits is 96, while the sum is 21.

Adding to 1213111221114 its reverse (4111221113121), we get a palindrome (5324332334235).

The spelling of 1213111221114 in words is "one trillion, two hundred thirteen billion, one hundred eleven million, two hundred twenty-one thousand, one hundred fourteen".