1001110021203 has 24 divisors (see below), whose sum is σ = 1400303273152. Its totient is φ = 636132922128.

The previous prime is 1001110021201. The next prime is 1001110021213. The reversal of 1001110021203 is 3021200111001.

1001110021203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1001110021203 - 2¹ = 1001110021201 is a prime.

It is a super-2 number, since 2×1001110021203² (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 (1001110021201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 665401 + ... + 1563642.

Almost surely, 2^{1001110021203} is an apocalyptic number.

1001110021203 is a deficient number, since it is larger than the sum of its proper divisors (399193251949).

1001110021203 is a wasteful number, since it uses less digits than its factorization.

1001110021203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2229375 (or 2229352 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 1001110021203 its reverse (3021200111001), we get a palindrome (4022310132204).

The spelling of 1001110021203 in words is "one trillion, one billion, one hundred ten million, twenty-one thousand, two hundred three".