1203010311011 has 8 divisors (see below), whose sum is σ = 1241880992880. Its totient is φ = 1164634797312.

The previous prime is 1203010311007. The next prime is 1203010311073. The reversal of 1203010311011 is 1101130103021.

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 1203010311011 - 2² = 1203010311007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1203010311001) 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, 123787106 + ... + 123796823.

It is an arithmetic number, because the mean of its divisors is an integer number (155235124110).

Almost surely, 2^{1203010311011} is an apocalyptic number.

1203010311011 is a deficient number, since it is larger than the sum of its proper divisors (38870681869).

1203010311011 is a wasteful number, since it uses less digits than its factorization.

1203010311011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247584085.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 1203010311011 its reverse (1101130103021), we get a palindrome (2304140414032).

The spelling of 1203010311011 in words is "one trillion, two hundred three billion, ten million, three hundred eleven thousand, eleven".