210203011232011 has 4 divisors (see below), whose sum is σ = 240232012836592. Its totient is φ = 180174009627432.

The previous prime is 210203011232003. The next prime is 210203011232083. The reversal of 210203011232011 is 110232110302012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 210203011232011 - 2³ = 210203011232003 is a prime.

It is a super-2 number, since 2×210203011232011² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 210203011232011.

It is not an unprimeable number, because it can be changed into a prime (210203011262011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15014500802280 + ... + 15014500802293.

It is an arithmetic number, because the mean of its divisors is an integer number (60058003209148).

Almost surely, 2^{210203011232011} is an apocalyptic number.

210203011232011 is a deficient number, since it is larger than the sum of its proper divisors (30029001604581).

210203011232011 is an equidigital number, since it uses as much as digits as its factorization.

210203011232011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30029001604580.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 210203011232011 its reverse (110232110302012), we get a palindrome (320435121534023).

The spelling of 210203011232011 in words is "two hundred ten trillion, two hundred three billion, eleven million, two hundred thirty-two thousand, eleven".