203114220421221 has 12 divisors (see below), whose sum is σ = 302851310736000. Its totient is φ = 131041432529640.

The previous prime is 203114220421153. The next prime is 203114220421223. The reversal of 203114220421221 is 122124022411302.

203114220421221 is a `hidden beast` number, since 2 + 0 + 3 + 1 + 1 + 422 + 0 + 4 + 212 + 21 = 666.

203114220421221 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 203114220421221 - 2²² = 203114216226917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203114220421223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 364003978971 + ... + 364003979528.

It is an arithmetic number, because the mean of its divisors is an integer number (25237609228000).

Almost surely, 2^{203114220421221} is an apocalyptic number.

It is an amenable number.

203114220421221 is a deficient number, since it is larger than the sum of its proper divisors (99737090314779).

203114220421221 is a wasteful number, since it uses less digits than its factorization.

203114220421221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728007958536 (or 728007958533 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 203114220421221 its reverse (122124022411302), we get a palindrome (325238242832523).

The spelling of 203114220421221 in words is "two hundred three trillion, one hundred fourteen billion, two hundred twenty million, four hundred twenty-one thousand, two hundred twenty-one".