102220122120121 has 8 divisors (see below), whose sum is σ = 103483029633984. Its totient is φ = 100957960791600.

The previous prime is 102220122120101. The next prime is 102220122120167. The reversal of 102220122120121 is 121021221022201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102220122120121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102220122120101) 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, 186270661 + ... + 186818626.

It is an arithmetic number, because the mean of its divisors is an integer number (12935378704248).

Almost surely, 2^{102220122120121} is an apocalyptic number.

It is an amenable number.

102220122120121 is a deficient number, since it is larger than the sum of its proper divisors (1262907513863).

102220122120121 is an equidigital number, since it uses as much as digits as its factorization.

102220122120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373092671.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 102220122120121 its reverse (121021221022201), we get a palindrome (223241343142322).

The spelling of 102220122120121 in words is "one hundred two trillion, two hundred twenty billion, one hundred twenty-two million, one hundred twenty thousand, one hundred twenty-one".