3331122454661 has 4 divisors (see below), whose sum is σ = 3333789487500. Its totient is φ = 3328455421824.

The previous prime is 3331122454613. The next prime is 3331122454663. The reversal of 3331122454661 is 1664542211333.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1489605604036 + 1841516850625 = 1220494^2 + 1357025^2 .

It is a cyclic number.

It is not a de Polignac number, because 3331122454661 - 2¹⁴ = 3331122438277 is a prime.

It is a super-2 number, since 2×3331122454661² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3331122454663) 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, 1333514546 + ... + 1333517043.

It is an arithmetic number, because the mean of its divisors is an integer number (833447371875).

Almost surely, 2^{3331122454661} is an apocalyptic number.

It is an amenable number.

3331122454661 is a deficient number, since it is larger than the sum of its proper divisors (2667032839).

3331122454661 is a wasteful number, since it uses less digits than its factorization.

3331122454661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2667032838.

The product of its digits is 311040, while the sum is 41.

Adding to 3331122454661 its reverse (1664542211333), we get a palindrome (4995664665994).

The spelling of 3331122454661 in words is "three trillion, three hundred thirty-one billion, one hundred twenty-two million, four hundred fifty-four thousand, six hundred sixty-one".