1034200400221 has 8 divisors (see below), whose sum is σ = 1037215229400. Its totient is φ = 1031185866048.

The previous prime is 1034200400213. The next prime is 1034200400251. The reversal of 1034200400221 is 1220040024301.

1034200400221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 478325775321 + 555874624900 = 691611^2 + 745570^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1034200400221 - 2³ = 1034200400213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1034200400251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8341335 + ... + 8464411.

It is an arithmetic number, because the mean of its divisors is an integer number (129651903675).

Almost surely, 2^{1034200400221} is an apocalyptic number.

It is an amenable number.

1034200400221 is a deficient number, since it is larger than the sum of its proper divisors (3014829179).

1034200400221 is a wasteful number, since it uses less digits than its factorization.

1034200400221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147503.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 1034200400221 its reverse (1220040024301), we get a palindrome (2254240424522).

The spelling of 1034200400221 in words is "one trillion, thirty-four billion, two hundred million, four hundred thousand, two hundred twenty-one".