1011330012021 has 16 divisors (see below), whose sum is σ = 1541411887104. Its totient is φ = 577776270384.

The previous prime is 1011330011987. The next prime is 1011330012023. The reversal of 1011330012021 is 1202100331101.

It is a happy number.

It is not a de Polignac number, because 1011330012021 - 2⁶ = 1011330011957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011330012023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5176545 + ... + 5368358.

It is an arithmetic number, because the mean of its divisors is an integer number (96338242944).

Almost surely, 2^{1011330012021} is an apocalyptic number.

It is an amenable number.

1011330012021 is a deficient number, since it is larger than the sum of its proper divisors (530081875083).

1011330012021 is a wasteful number, since it uses less digits than its factorization.

1011330012021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10549480.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1011330012021 its reverse (1202100331101), we get a palindrome (2213430343122).

The spelling of 1011330012021 in words is "one trillion, eleven billion, three hundred thirty million, twelve thousand, twenty-one".