1020012133311 has 12 divisors (see below), whose sum is σ = 1486389363888. Its totient is φ = 673990317504.

The previous prime is 1020012133303. The next prime is 1020012133351. The reversal of 1020012133311 is 1133312100201.

1020012133311 is a `hidden beast` number, since 1 + 0 + 200 + 121 + 33 + 311 = 666.

It is not a de Polignac number, because 1020012133311 - 2³ = 1020012133303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020012133351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 501479875 + ... + 501481908.

It is an arithmetic number, because the mean of its divisors is an integer number (123865780324).

Almost surely, 2^{1020012133311} is an apocalyptic number.

1020012133311 is a deficient number, since it is larger than the sum of its proper divisors (466377230577).

1020012133311 is a wasteful number, since it uses less digits than its factorization.

1020012133311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002961902 (or 1002961899 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1020012133311 its reverse (1133312100201), we get a palindrome (2153324233512).

The spelling of 1020012133311 in words is "one trillion, twenty billion, twelve million, one hundred thirty-three thousand, three hundred eleven".