1011012311203 has 8 divisors (see below), whose sum is σ = 1012437188096. Its totient is φ = 1009587645000.

The previous prime is 1011012311167. The next prime is 1011012311209. The reversal of 1011012311203 is 3021132101101.

It is a happy number.

1011012311203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011012311203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011012311209) 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, 11243500 + ... + 11333062.

It is an arithmetic number, because the mean of its divisors is an integer number (126554648512).

Almost surely, 2^{1011012311203} is an apocalyptic number.

1011012311203 is a deficient number, since it is larger than the sum of its proper divisors (1424876893).

1011012311203 is an equidigital number, since it uses as much as digits as its factorization.

1011012311203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105345.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1011012311203 its reverse (3021132101101), we get a palindrome (4032144412304).

The spelling of 1011012311203 in words is "one trillion, eleven billion, twelve million, three hundred eleven thousand, two hundred three".