111214123214451 has 32 divisors (see below), whose sum is σ = 151504269296640. Its totient is φ = 72534698014464.

The previous prime is 111214123214413. The next prime is 111214123214471. The reversal of 111214123214451 is 154412321412111.

It is not a de Polignac number, because 111214123214451 - 2⁹ = 111214123213939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111214123214471) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4678157601 + ... + 4678181373.

It is an arithmetic number, because the mean of its divisors is an integer number (4734508415520).

Almost surely, 2^{111214123214451} is an apocalyptic number.

111214123214451 is a deficient number, since it is larger than the sum of its proper divisors (40290146082189).

111214123214451 is a wasteful number, since it uses less digits than its factorization.

111214123214451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36395.

The product of its digits is 7680, while the sum is 33.

Adding to 111214123214451 its reverse (154412321412111), we get a palindrome (265626444626562).

The spelling of 111214123214451 in words is "one hundred eleven trillion, two hundred fourteen billion, one hundred twenty-three million, two hundred fourteen thousand, four hundred fifty-one".