102221020133 has 8 divisors (see below), whose sum is σ = 104818038360. Its totient is φ = 99628945920.

The previous prime is 102221020103. The next prime is 102221020157. The reversal of 102221020133 is 331020122201.

It can be written as a sum of positive squares in 4 ways, for example, as 13359198724 + 88861821409 = 115582^2 + 298097^2 .

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 102221020133 - 2¹⁶ = 102220954597 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 (102221020103) 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, 1194110 + ... + 1276847.

It is an arithmetic number, because the mean of its divisors is an integer number (13102254795).

Almost surely, 2^102221020133 is an apocalyptic number.

It is an amenable number.

102221020133 is a deficient number, since it is larger than the sum of its proper divisors (2597018227).

102221020133 is a wasteful number, since it uses less digits than its factorization.

102221020133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2472007.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 102221020133 its reverse (331020122201), we get a palindrome (433241142334).

The spelling of 102221020133 in words is "one hundred two billion, two hundred twenty-one million, twenty thousand, one hundred thirty-three".