70022001100021 has 4 divisors (see below), whose sum is σ = 70022073445792. Its totient is φ = 70021928754252.

The previous prime is 70022001100013. The next prime is 70022001100049. The reversal of 70022001100021 is 12000110022007.

70022001100021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 70022001100021 - 2³ = 70022001100013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70022001099968 and 70022001100004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70022001100721) 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, 34701105 + ... + 36663478.

It is an arithmetic number, because the mean of its divisors is an integer number (17505518361448).

Almost surely, 2^{70022001100021} is an apocalyptic number.

It is an amenable number.

70022001100021 is a deficient number, since it is larger than the sum of its proper divisors (72345771).

70022001100021 is an equidigital number, since it uses as much as digits as its factorization.

70022001100021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72345770.

The product of its (nonzero) digits is 56, while the sum is 16.

Adding to 70022001100021 its reverse (12000110022007), we get a palindrome (82022111122028).

The spelling of 70022001100021 in words is "seventy trillion, twenty-two billion, one million, one hundred thousand, twenty-one".