1331022012001 has 8 divisors (see below), whose sum is σ = 1452045662784. Its totient is φ = 1210001969520.

The previous prime is 1331022011981. The next prime is 1331022012029. The reversal of 1331022012001 is 1002102201331.

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 1331022012001 - 2¹¹ = 1331022009953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1331022013001) 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, 99750 + ... + 1634623.

It is an arithmetic number, because the mean of its divisors is an integer number (181505707848).

Almost surely, 2^{1331022012001} is an apocalyptic number.

1331022012001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1331022012001 is a deficient number, since it is larger than the sum of its proper divisors (121023650783).

1331022012001 is a wasteful number, since it uses less digits than its factorization.

1331022012001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1804151.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1331022012001 its reverse (1002102201331), we get a palindrome (2333124213332).

The spelling of 1331022012001 in words is "one trillion, three hundred thirty-one billion, twenty-two million, twelve thousand, one".