1010000211021 has 8 divisors (see below), whose sum is σ = 1496296608960. Its totient is φ = 673333473996.

The previous prime is 1010000211001. The next prime is 1010000211029. The reversal of 1010000211021 is 1201120000101.

It is a happy number.

It is not a de Polignac number, because 1010000211021 - 2⁹ = 1010000210509 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 = 1010000210994 and 1010000211012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010000211029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18703707585 + ... + 18703707638.

It is an arithmetic number, because the mean of its divisors is an integer number (187037076120).

Almost surely, 2^{1010000211021} is an apocalyptic number.

It is an amenable number.

1010000211021 is a deficient number, since it is larger than the sum of its proper divisors (486296397939).

1010000211021 is an equidigital number, since it uses as much as digits as its factorization.

1010000211021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37407415232 (or 37407415226 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1010000211021 its reverse (1201120000101), we get a palindrome (2211120211122).

The spelling of 1010000211021 in words is "one trillion, ten billion, two hundred eleven thousand, twenty-one".