10403003220421 has 16 divisors (see below), whose sum is σ = 11925529200000. Its totient is φ = 8889605157888.

The previous prime is 10403003220409. The next prime is 10403003220647. The reversal of 10403003220421 is 12402230030401.

10403003220421 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 10403003220421 - 2¹³ = 10403003212229 is a prime.

It is a super-2 number, since 2×10403003220421² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10403003220392 and 10403003220401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10403003220821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2530185 + ... + 5216113.

It is an arithmetic number, because the mean of its divisors is an integer number (745345575000).

Almost surely, 2^{10403003220421} is an apocalyptic number.

It is an amenable number.

10403003220421 is a deficient number, since it is larger than the sum of its proper divisors (1522525979579).

10403003220421 is a wasteful number, since it uses less digits than its factorization.

10403003220421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2687628.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 10403003220421 its reverse (12402230030401), we get a palindrome (22805233250822).

The spelling of 10403003220421 in words is "ten trillion, four hundred three billion, three million, two hundred twenty thousand, four hundred twenty-one".