1201202112111 has 8 divisors (see below), whose sum is σ = 1625507336064. Its totient is φ = 788849148120.

The previous prime is 1201202112079. The next prime is 1201202112151. The reversal of 1201202112111 is 1112112021021.

It is a happy number.

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

It is not a de Polignac number, because 1201202112111 - 2⁵ = 1201202112079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201202112151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2988064755 + ... + 2988065156.

It is an arithmetic number, because the mean of its divisors is an integer number (203188417008).

Almost surely, 2^{1201202112111} is an apocalyptic number.

1201202112111 is a deficient number, since it is larger than the sum of its proper divisors (424305223953).

1201202112111 is an equidigital number, since it uses as much as digits as its factorization.

1201202112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5976129981.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1201202112111 its reverse (1112112021021), we get a palindrome (2313314133132).

The spelling of 1201202112111 in words is "one trillion, two hundred one billion, two hundred two million, one hundred twelve thousand, one hundred eleven".