102221012002021 has 8 divisors (see below), whose sum is σ = 111513941057088. Its totient is φ = 92928101244000.

The previous prime is 102221012002019. The next prime is 102221012002027. The reversal of 102221012002021 is 120200210122201.

It is a happy number.

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

It is not a de Polignac number, because 102221012002021 - 2¹ = 102221012002019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102221012001986 and 102221012002004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102221012002027) 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, 8809801 + ... + 16794481.

It is an arithmetic number, because the mean of its divisors is an integer number (13939242632136).

Almost surely, 2^{102221012002021} is an apocalyptic number.

102221012002021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102221012002021 is a deficient number, since it is larger than the sum of its proper divisors (9292929055067).

102221012002021 is a wasteful number, since it uses less digits than its factorization.

102221012002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9148523.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102221012002021 its reverse (120200210122201), we get a palindrome (222421222124222).

The spelling of 102221012002021 in words is "one hundred two trillion, two hundred twenty-one billion, twelve million, two thousand, twenty-one".