102110021121 has 8 divisors (see below), whose sum is σ = 136286911584. Its totient is φ = 68003239040.

The previous prime is 102110021113. The next prime is 102110021129. The reversal of 102110021121 is 121120011201.

It is an interprime number because it is at equal distance from previous prime (102110021113) and next prime (102110021129).

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 102110021121 - 2³ = 102110021113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102110021097 and 102110021106.

It is not an unprimeable number, because it can be changed into a prime (102110021129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17523696 + ... + 17529521.

It is an arithmetic number, because the mean of its divisors is an integer number (17035863948).

Almost surely, 2^102110021121 is an apocalyptic number.

It is an amenable number.

102110021121 is a deficient number, since it is larger than the sum of its proper divisors (34176890463).

102110021121 is an equidigital number, since it uses as much as digits as its factorization.

102110021121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35054191.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 102110021121 its reverse (121120011201), we get a palindrome (223230032322).

The spelling of 102110021121 in words is "one hundred two billion, one hundred ten million, twenty-one thousand, one hundred twenty-one".