70221021110221 has 16 divisors (see below), whose sum is σ = 71175272103936. Its totient is φ = 69272031985776.

The previous prime is 70221021110197. The next prime is 70221021110249. The reversal of 70221021110221 is 12201112012207.

It is a cyclic number.

It is not a de Polignac number, because 70221021110221 - 2⁹ = 70221021109709 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70221021110192 and 70221021110201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70221021110021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1048933876 + ... + 1049000818.

It is an arithmetic number, because the mean of its divisors is an integer number (4448454506496).

Almost surely, 2^{70221021110221} is an apocalyptic number.

It is an amenable number.

70221021110221 is a deficient number, since it is larger than the sum of its proper divisors (954250993715).

70221021110221 is a wasteful number, since it uses less digits than its factorization.

70221021110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106032.

The product of its (nonzero) digits is 224, while the sum is 22.

Adding to 70221021110221 its reverse (12201112012207), we get a palindrome (82422133122428).

The spelling of 70221021110221 in words is "seventy trillion, two hundred twenty-one billion, twenty-one million, one hundred ten thousand, two hundred twenty-one".