203012103211211 has 32 divisors (see below), whose sum is σ = 241657078828032. Its totient is φ = 166911393640320.

The previous prime is 203012103211187. The next prime is 203012103211249. The reversal of 203012103211211 is 112112301210302.

It is not a de Polignac number, because 203012103211211 - 2¹⁴ = 203012103194827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (203012103211811) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 274675220 + ... + 275413326.

It is an arithmetic number, because the mean of its divisors is an integer number (7551783713376).

Almost surely, 2^{203012103211211} is an apocalyptic number.

203012103211211 is a deficient number, since it is larger than the sum of its proper divisors (38644975616821).

203012103211211 is a wasteful number, since it uses less digits than its factorization.

203012103211211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753179.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 203012103211211 its reverse (112112301210302), we get a palindrome (315124404421513).

The spelling of 203012103211211 in words is "two hundred three trillion, twelve billion, one hundred three million, two hundred eleven thousand, two hundred eleven".