102201222021 has 8 divisors (see below), whose sum is σ = 136273078464. Its totient is φ = 68131756800.

The previous prime is 102201222007. The next prime is 102201222023. The reversal of 102201222021 is 120222102201.

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

It is not a de Polignac number, because 102201222021 - 2⁵ = 102201221989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102201222023) 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, 495580 + ... + 670821.

It is an arithmetic number, because the mean of its divisors is an integer number (17034134808).

Almost surely, 2^102201222021 is an apocalyptic number.

It is an amenable number.

102201222021 is a deficient number, since it is larger than the sum of its proper divisors (34071856443).

102201222021 is a wasteful number, since it uses less digits than its factorization.

102201222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1195611.

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

Adding to 102201222021 its reverse (120222102201), we get a palindrome (222423324222).

The spelling of 102201222021 in words is "one hundred two billion, two hundred one million, two hundred twenty-two thousand, twenty-one".