1333233712121 has 2 divisors, whose sum is σ = 1333233712122. Its totient is φ = 1333233712120.

The previous prime is 1333233712117. The next prime is 1333233712133. The reversal of 1333233712121 is 1212173323331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1306814785600 + 26418926521 = 1143160^2 + 162539^2 .

It is a cyclic number.

It is not a de Polignac number, because 1333233712121 - 2² = 1333233712117 is a prime.

It is a super-2 number, since 2×1333233712121² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1333233712171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666616856060 + 666616856061.

It is an arithmetic number, because the mean of its divisors is an integer number (666616856061).

Almost surely, 2^{1333233712121} is an apocalyptic number.

It is an amenable number.

1333233712121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1333233712121 is an equidigital number, since it uses as much as digits as its factorization.

1333233712121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 32.

The spelling of 1333233712121 in words is "one trillion, three hundred thirty-three billion, two hundred thirty-three million, seven hundred twelve thousand, one hundred twenty-one".