111200020123213 has 16 divisors (see below), whose sum is σ = 127131263268480. Its totient is φ = 95280161250816.

The previous prime is 111200020123193. The next prime is 111200020123223. The reversal of 111200020123213 is 312321020002111.

It is a cyclic number.

It is not a de Polignac number, because 111200020123213 - 2⁴¹ = 109000996867661 is a prime.

It is a super-2 number, since 2×111200020123213² (a number of 29 digits) contains 22 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 (111200020123223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 545378581 + ... + 545582437.

It is an arithmetic number, because the mean of its divisors is an integer number (7945703954280).

Almost surely, 2^{111200020123213} is an apocalyptic number.

It is an amenable number.

111200020123213 is a deficient number, since it is larger than the sum of its proper divisors (15931243145267).

111200020123213 is a wasteful number, since it uses less digits than its factorization.

111200020123213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231396.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 111200020123213 its reverse (312321020002111), we get a palindrome (423521040125324).

The spelling of 111200020123213 in words is "one hundred eleven trillion, two hundred billion, twenty million, one hundred twenty-three thousand, two hundred thirteen".