1012111220203 has 8 divisors (see below), whose sum is σ = 1056683599776. Its totient is φ = 967586136000.

The previous prime is 1012111220171. The next prime is 1012111220297. The reversal of 1012111220203 is 3020221112101.

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 1012111220203 - 2⁵ = 1012111220171 is a prime.

It is a super-2 number, since 2×1012111220203² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012111220903) 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, 11780098 + ... + 11865703.

It is an arithmetic number, because the mean of its divisors is an integer number (132085449972).

Almost surely, 2^{1012111220203} is an apocalyptic number.

1012111220203 is a deficient number, since it is larger than the sum of its proper divisors (44572379573).

1012111220203 is a wasteful number, since it uses less digits than its factorization.

1012111220203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23647685.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1012111220203 its reverse (3020221112101), we get a palindrome (4032332332304).

The spelling of 1012111220203 in words is "one trillion, twelve billion, one hundred eleven million, two hundred twenty thousand, two hundred three".