1010037721021 has 4 divisors (see below), whose sum is σ = 1154328824032. Its totient is φ = 865746618012.

The previous prime is 1010037721009. The next prime is 1010037721037. The reversal of 1010037721021 is 1201277300101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1010037721021 - 2²¹ = 1010035623869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010037721051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72145551495 + ... + 72145551508.

It is an arithmetic number, because the mean of its divisors is an integer number (288582206008).

Almost surely, 2^{1010037721021} is an apocalyptic number.

It is an amenable number.

1010037721021 is a deficient number, since it is larger than the sum of its proper divisors (144291103011).

1010037721021 is an equidigital number, since it uses as much as digits as its factorization.

1010037721021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144291103010.

The product of its (nonzero) digits is 588, while the sum is 25.

The spelling of 1010037721021 in words is "one trillion, ten billion, thirty-seven million, seven hundred twenty-one thousand, twenty-one".