701002121021 has 4 divisors (see below), whose sum is σ = 709447929792. Its totient is φ = 692556312252.

The previous prime is 701002121003. The next prime is 701002121023. The reversal of 701002121021 is 120121200107.

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 701002121021 - 2¹⁰ = 701002119997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (701002121023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4222904261 + ... + 4222904426.

It is an arithmetic number, because the mean of its divisors is an integer number (177361982448).

Almost surely, 2^701002121021 is an apocalyptic number.

It is an amenable number.

701002121021 is a deficient number, since it is larger than the sum of its proper divisors (8445808771).

701002121021 is an equidigital number, since it uses as much as digits as its factorization.

701002121021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8445808770.

The product of its (nonzero) digits is 56, while the sum is 17.

Adding to 701002121021 its reverse (120121200107), we get a palindrome (821123321128).

The spelling of 701002121021 in words is "seven hundred one billion, two million, one hundred twenty-one thousand, twenty-one".