1201031213111 has 8 divisors (see below), whose sum is σ = 1205348480544. Its totient is φ = 1196714252160.

The previous prime is 1201031213099. The next prime is 1201031213159. The reversal of 1201031213111 is 1113121301021.

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 1201031213111 - 2⁶ = 1201031213047 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1201031213111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201031213311) 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, 10280750 + ... + 10396916.

It is an arithmetic number, because the mean of its divisors is an integer number (150668560068).

Almost surely, 2^{1201031213111} is an apocalyptic number.

1201031213111 is a deficient number, since it is larger than the sum of its proper divisors (4317267433).

1201031213111 is a wasteful number, since it uses less digits than its factorization.

1201031213111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153241.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 1201031213111 its reverse (1113121301021), we get a palindrome (2314152514132).

The spelling of 1201031213111 in words is "one trillion, two hundred one billion, thirty-one million, two hundred thirteen thousand, one hundred eleven".