1221114252234 has 16 divisors (see below), whose sum is σ = 2458619301600. Its totient is φ = 404306284560.

The previous prime is 1221114252191. The next prime is 1221114252257. The reversal of 1221114252234 is 4322524111221.

It is a super-2 number, since 2×1221114252234² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 682948912 + ... + 682950699.

It is an arithmetic number, because the mean of its divisors is an integer number (153663706350).

Almost surely, 2^{1221114252234} is an apocalyptic number.

1221114252234 is an abundant number, since it is smaller than the sum of its proper divisors (1237505049366).

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

1221114252234 is a wasteful number, since it uses less digits than its factorization.

1221114252234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365899765.

The product of its digits is 7680, while the sum is 30.

Adding to 1221114252234 its reverse (4322524111221), we get a palindrome (5543638363455).

The spelling of 1221114252234 in words is "one trillion, two hundred twenty-one billion, one hundred fourteen million, two hundred fifty-two thousand, two hundred thirty-four".