1201210203311 has 8 divisors (see below), whose sum is σ = 1201703273904. Its totient is φ = 1200717233280.

The previous prime is 1201210203283. The next prime is 1201210203341. The reversal of 1201210203311 is 1133020121021.

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 1201210203311 - 2¹⁰ = 1201210202287 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 1201210203311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201210203341) 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, 31428665 + ... + 31466861.

It is an arithmetic number, because the mean of its divisors is an integer number (150212909238).

Almost surely, 2^{1201210203311} is an apocalyptic number.

1201210203311 is a deficient number, since it is larger than the sum of its proper divisors (493070593).

1201210203311 is an equidigital number, since it uses as much as digits as its factorization.

1201210203311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50281.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1201210203311 its reverse (1133020121021), we get a palindrome (2334230324332).

The spelling of 1201210203311 in words is "one trillion, two hundred one billion, two hundred ten million, two hundred three thousand, three hundred eleven".