102211221001 has 8 divisors (see below), whose sum is σ = 102952773000. Its totient is φ = 101470410240.

The previous prime is 102211220999. The next prime is 102211221011. The reversal of 102211221001 is 100122112201.

It can be written as a sum of positive squares in 4 ways, for example, as 15745230400 + 86465990601 = 125480^2 + 294051^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102211221001 - 2¹ = 102211220999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102211221011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92985 + ... + 461593.

It is an arithmetic number, because the mean of its divisors is an integer number (12869096625).

Almost surely, 2^102211221001 is an apocalyptic number.

It is an amenable number.

102211221001 is a deficient number, since it is larger than the sum of its proper divisors (741551999).

102211221001 is a wasteful number, since it uses less digits than its factorization.

102211221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370619.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102211221001 its reverse (100122112201), we get a palindrome (202333333202).

The spelling of 102211221001 in words is "one hundred two billion, two hundred eleven million, two hundred twenty-one thousand, one".