1012133021011 has 6 divisors (see below), whose sum is σ = 1177379228580. Its totient is φ = 867542589396.

The previous prime is 1012133020991. The next prime is 1012133021033. The reversal of 1012133021011 is 1101203312101.

It is a happy number.

It is not a de Polignac number, because 1012133021011 - 2⁵ = 1012133020979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012133021041) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10327887921 + ... + 10327888018.

It is an arithmetic number, because the mean of its divisors is an integer number (196229871430).

Almost surely, 2^{1012133021011} is an apocalyptic number.

1012133021011 is a deficient number, since it is larger than the sum of its proper divisors (165246207569).

1012133021011 is an equidigital number, since it uses as much as digits as its factorization.

1012133021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20655775953 (or 20655775946 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1012133021011 its reverse (1101203312101), we get a palindrome (2113336333112).

The spelling of 1012133021011 in words is "one trillion, twelve billion, one hundred thirty-three million, twenty-one thousand, eleven".