102220100121 has 8 divisors (see below), whose sum is σ = 136601128800. Its totient is φ = 67992902432.

The previous prime is 102220100089. The next prime is 102220100137. The reversal of 102220100121 is 121001022201.

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

It is a cyclic number.

It is not a de Polignac number, because 102220100121 - 2⁵ = 102220100089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102220100097 and 102220100106.

It is not an unprimeable number, because it can be changed into a prime (102220100141) 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, 38456196 + ... + 38458853.

It is an arithmetic number, because the mean of its divisors is an integer number (17075141100).

Almost surely, 2^102220100121 is an apocalyptic number.

It is an amenable number.

102220100121 is a deficient number, since it is larger than the sum of its proper divisors (34381028679).

102220100121 is an equidigital number, since it uses as much as digits as its factorization.

102220100121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76915495.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 102220100121 its reverse (121001022201), we get a palindrome (223221122322).

The spelling of 102220100121 in words is "one hundred two billion, two hundred twenty million, one hundred thousand, one hundred twenty-one".