3215451222001 has 16 divisors (see below), whose sum is σ = 3302626899600. Its totient is φ = 3128694784000.

The previous prime is 3215451221981. The next prime is 3215451222031. The reversal of 3215451222001 is 1002221545123.

It is a happy number.

3215451222001 is digitally balanced in base 3, 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 8 ways, for example, as 6251274225 + 3209199947776 = 79065^2 + 1791424^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3215451222001 is a prime.

It is a super-2 number, since 2×3215451222001² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3215451222031) 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, 137583045 + ... + 137606413.

It is an arithmetic number, because the mean of its divisors is an integer number (206414181225).

Almost surely, 2^{3215451222001} is an apocalyptic number.

It is an amenable number.

3215451222001 is a deficient number, since it is larger than the sum of its proper divisors (87175677599).

3215451222001 is a wasteful number, since it uses less digits than its factorization.

3215451222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32180.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 3215451222001 its reverse (1002221545123), we get a palindrome (4217672767124).

The spelling of 3215451222001 in words is "three trillion, two hundred fifteen billion, four hundred fifty-one million, two hundred twenty-two thousand, one".