1010011110021 has 12 divisors (see below), whose sum is σ = 1473069063648. Its totient is φ = 666803450664.

The previous prime is 1010011110013. The next prime is 1010011110047. The reversal of 1010011110021 is 1200111100101.

It is not a de Polignac number, because 1010011110021 - 2³ = 1010011110013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1010011109985 and 1010011110012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010011110061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 544773135 + ... + 544774988.

It is an arithmetic number, because the mean of its divisors is an integer number (122755755304).

Almost surely, 2^{1010011110021} is an apocalyptic number.

It is an amenable number.

1010011110021 is a deficient number, since it is larger than the sum of its proper divisors (463057953627).

1010011110021 is a wasteful number, since it uses less digits than its factorization.

1010011110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089548232 (or 1089548229 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 1010011110021 its reverse (1200111100101), we get a palindrome (2210122210122).

The spelling of 1010011110021 in words is "one trillion, ten billion, eleven million, one hundred ten thousand, twenty-one".