1221111033214 has 8 divisors (see below), whose sum is σ = 1831676944968. Its totient is φ = 610552051560.

The previous prime is 1221111033161. The next prime is 1221111033227. The reversal of 1221111033214 is 4123301111221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1221111033214² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1266997 + ... + 2011840.

It is an arithmetic number, because the mean of its divisors is an integer number (228959618121).

Almost surely, 2^{1221111033214} is an apocalyptic number.

1221111033214 is a deficient number, since it is larger than the sum of its proper divisors (610565911754).

1221111033214 is a wasteful number, since it uses less digits than its factorization.

1221111033214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3465050.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 1221111033214 its reverse (4123301111221), we get a palindrome (5344412144435).

The spelling of 1221111033214 in words is "one trillion, two hundred twenty-one billion, one hundred eleven million, thirty-three thousand, two hundred fourteen".