1111212001201 has 8 divisors (see below), whose sum is σ = 1112106030464. Its totient is φ = 1110318133680.

The previous prime is 1111212001171. The next prime is 1111212001213. The reversal of 1111212001201 is 1021002121111.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1111212001201 - 2⁷ = 1111212001073 is a prime.

It is a super-2 number, since 2×1111212001201² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111212001241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16317715 + ... + 16385671.

It is an arithmetic number, because the mean of its divisors is an integer number (139013253808).

Almost surely, 2^{1111212001201} is an apocalyptic number.

It is an amenable number.

1111212001201 is a deficient number, since it is larger than the sum of its proper divisors (894029263).

1111212001201 is a wasteful number, since it uses less digits than its factorization.

1111212001201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80871.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1111212001201 its reverse (1021002121111), we get a palindrome (2132214122312).

The spelling of 1111212001201 in words is "one trillion, one hundred eleven billion, two hundred twelve million, one thousand, two hundred one".