1421112444111 has 6 divisors (see below), whose sum is σ = 2052717974840. Its totient is φ = 947408296068.

The previous prime is 1421112444109. The next prime is 1421112444119. The reversal of 1421112444111 is 1114442111241.

It is a happy number.

1421112444111 is a `hidden beast` number, since 1 + 4 + 2 + 1 + 1 + 1 + 244 + 411 + 1 = 666.

It is not a de Polignac number, because 1421112444111 - 2¹ = 1421112444109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421112444119) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78950691331 + ... + 78950691348.

Almost surely, 2^{1421112444111} is an apocalyptic number.

1421112444111 is a deficient number, since it is larger than the sum of its proper divisors (631605530729).

1421112444111 is a wasteful number, since it uses less digits than its factorization.

1421112444111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157901382685 (or 157901382682 counting only the distinct ones).

The product of its digits is 1024, while the sum is 27.

Adding to 1421112444111 its reverse (1114442111241), we get a palindrome (2535554555352).

The spelling of 1421112444111 in words is "one trillion, four hundred twenty-one billion, one hundred twelve million, four hundred forty-four thousand, one hundred eleven".