1012012021011 has 24 divisors (see below), whose sum is σ = 1433479727104. Its totient is φ = 634949020800.

The previous prime is 1012012020983. The next prime is 1012012021037. The reversal of 1012012021011 is 1101202102101.

It is not a de Polignac number, because 1012012021011 - 2¹⁹ = 1012011496723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012012021711) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21810486 + ... + 21856836.

Almost surely, 2^{1012012021011} is an apocalyptic number.

1012012021011 is a deficient number, since it is larger than the sum of its proper divisors (421467706093).

1012012021011 is a wasteful number, since it uses less digits than its factorization.

1012012021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71571 (or 71554 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1012012021011 its reverse (1101202102101), we get a palindrome (2113214123112).

It can be divided in two parts, 101201 and 2021011, that added together give a palindrome (2122212).

The spelling of 1012012021011 in words is "one trillion, twelve billion, twelve million, twenty-one thousand, eleven".