102000221120121 has 8 divisors (see below), whose sum is σ = 138229807857024. Its totient is φ = 66885390898320.

The previous prime is 102000221120117. The next prime is 102000221120179. The reversal of 102000221120121 is 121021122000201.

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

It is not a de Polignac number, because 102000221120121 - 2² = 102000221120117 is a prime.

It is a super-2 number, since 2×102000221120121² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102000221120121.

It is not an unprimeable number, because it can be changed into a prime (102000221120111) 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, 278689128561 + ... + 278689128926.

It is an arithmetic number, because the mean of its divisors is an integer number (17278725982128).

Almost surely, 2^{102000221120121} is an apocalyptic number.

It is an amenable number.

102000221120121 is a deficient number, since it is larger than the sum of its proper divisors (36229586736903).

102000221120121 is an equidigital number, since it uses as much as digits as its factorization.

102000221120121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557378257551.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 102000221120121 its reverse (121021122000201), we get a palindrome (223021343120322).

The spelling of 102000221120121 in words is "one hundred two trillion, two hundred twenty-one million, one hundred twenty thousand, one hundred twenty-one".