102401142111 has 40 divisors (see below), whose sum is σ = 153896093824. Its totient is φ = 68135460120.

The previous prime is 102401142101. The next prime is 102401142157. The reversal of 102401142111 is 111241104201.

102401142111 is a `hidden beast` number, since 1 + 0 + 240 + 1 + 1 + 421 + 1 + 1 = 666.

It is not a de Polignac number, because 102401142111 - 2²³ = 102392753503 is a prime.

It is a super-3 number, since 3×102401142111³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102401142101) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 10761846 + ... + 10771356.

Almost surely, 2^102401142111 is an apocalyptic number.

102401142111 is a deficient number, since it is larger than the sum of its proper divisors (51494951713).

102401142111 is an frugal number, since it uses more digits than its factorization.

102401142111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10085 (or 10061 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 102401142111 its reverse (111241104201), we get a palindrome (213642246312).

The spelling of 102401142111 in words is "one hundred two billion, four hundred one million, one hundred forty-two thousand, one hundred eleven".