1020120001133 has 2 divisors, whose sum is σ = 1020120001134. Its totient is φ = 1020120001132.

The previous prime is 1020120001129. The next prime is 1020120001139. The reversal of 1020120001133 is 3311000210201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 872481160489 + 147638840644 = 934067^2 + 384238^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020120001133 - 2² = 1020120001129 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020120001139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510060000566 + 510060000567.

It is an arithmetic number, because the mean of its divisors is an integer number (510060000567).

Almost surely, 2^{1020120001133} is an apocalyptic number.

It is an amenable number.

1020120001133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020120001133 is an equidigital number, since it uses as much as digits as its factorization.

1020120001133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 1020120001133 its reverse (3311000210201), we get a palindrome (4331120211334).

The spelling of 1020120001133 in words is "one trillion, twenty billion, one hundred twenty million, one thousand, one hundred thirty-three".