3445321421011 has 12 divisors (see below), whose sum is σ = 3720760713912. Its totient is φ = 3188081985984.

The previous prime is 3445321420949. The next prime is 3445321421041. The reversal of 3445321421011 is 1101241235443.

It is a happy number.

It is not a de Polignac number, because 3445321421011 - 2¹¹ = 3445321418963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3445321421041) 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, 110959206 + ... + 110990251.

It is an arithmetic number, because the mean of its divisors is an integer number (310063392826).

Almost surely, 2^{3445321421011} is an apocalyptic number.

3445321421011 is a deficient number, since it is larger than the sum of its proper divisors (275439292901).

3445321421011 is a wasteful number, since it uses less digits than its factorization.

3445321421011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221949538 (or 221949519 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 3445321421011 its reverse (1101241235443), we get a palindrome (4546562656454).

The spelling of 3445321421011 in words is "three trillion, four hundred forty-five billion, three hundred twenty-one million, four hundred twenty-one thousand, eleven".