210011111020203 has 64 divisors (see below), whose sum is σ = 291893851425792. Its totient is φ = 134191414264320.

The previous prime is 210011111020201. The next prime is 210011111020219. The reversal of 210011111020203 is 302020111110012.

It is not a de Polignac number, because 210011111020203 - 2¹ = 210011111020201 is a prime.

It is a super-2 number, since 2×210011111020203² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (210011111020201) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4819731525 + ... + 4819775097.

It is an arithmetic number, because the mean of its divisors is an integer number (4560841428528).

Almost surely, 2^{210011111020203} is an apocalyptic number.

210011111020203 is a deficient number, since it is larger than the sum of its proper divisors (81882740405589).

210011111020203 is a wasteful number, since it uses less digits than its factorization.

210011111020203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45204.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 210011111020203 its reverse (302020111110012), we get a palindrome (512031222130215).

The spelling of 210011111020203 in words is "two hundred ten trillion, eleven billion, one hundred eleven million, twenty thousand, two hundred three".