1340210104221 has 8 divisors (see below), whose sum is σ = 1812115070784. Its totient is φ = 880889270240.

The previous prime is 1340210104151. The next prime is 1340210104291. The reversal of 1340210104221 is 1224010120431.

It is an interprime number because it is at equal distance from previous prime (1340210104151) and next prime (1340210104291).

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 1340210104221 - 2²³ = 1340201715613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340210104291) 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, 3146032896 + ... + 3146033321.

It is an arithmetic number, because the mean of its divisors is an integer number (226514383848).

Almost surely, 2^{1340210104221} is an apocalyptic number.

It is an amenable number.

1340210104221 is a deficient number, since it is larger than the sum of its proper divisors (471904966563).

1340210104221 is an equidigital number, since it uses as much as digits as its factorization.

1340210104221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6292066291.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 1340210104221 its reverse (1224010120431), we get a palindrome (2564220224652).

The spelling of 1340210104221 in words is "one trillion, three hundred forty billion, two hundred ten million, one hundred four thousand, two hundred twenty-one".