220030400103421 has 4 divisors (see below), whose sum is σ = 220031514001152. Its totient is φ = 220029286205692.

The previous prime is 220030400103419. The next prime is 220030400103433. The reversal of 220030400103421 is 124301004030022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 220030400103421 - 2¹ = 220030400103419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220030400103392 and 220030400103401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220030400103401) 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, 556652515 + ... + 557047648.

It is an arithmetic number, because the mean of its divisors is an integer number (55007878500288).

Almost surely, 2^{220030400103421} is an apocalyptic number.

It is an amenable number.

220030400103421 is a deficient number, since it is larger than the sum of its proper divisors (1113897731).

220030400103421 is a wasteful number, since it uses less digits than its factorization.

220030400103421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113897730.

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

Adding to 220030400103421 its reverse (124301004030022), we get a palindrome (344331404133443).

The spelling of 220030400103421 in words is "two hundred twenty trillion, thirty billion, four hundred million, one hundred three thousand, four hundred twenty-one".