102222210021 has 16 divisors (see below), whose sum is σ = 140762001600. Its totient is φ = 65935859328.

The previous prime is 102222210007. The next prime is 102222210053. The reversal of 102222210021 is 120012222201.

It is not a de Polignac number, because 102222210021 - 2¹⁹ = 102221685733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102222210001) 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, 2552536 + ... + 2592273.

It is an arithmetic number, because the mean of its divisors is an integer number (8797625100).

Almost surely, 2^102222210021 is an apocalyptic number.

It is an amenable number.

102222210021 is a deficient number, since it is larger than the sum of its proper divisors (38539791579).

102222210021 is a wasteful number, since it uses less digits than its factorization.

102222210021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5145028.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 102222210021 its reverse (120012222201), we get a palindrome (222234432222).

The spelling of 102222210021 in words is "one hundred two billion, two hundred twenty-two million, two hundred ten thousand, twenty-one".