102012101121 has 8 divisors (see below), whose sum is σ = 155447011264. Its totient is φ = 58292629200.

The previous prime is 102012101119. The next prime is 102012101123. The reversal of 102012101121 is 121101210201.

It is an interprime number because it is at equal distance from previous prime (102012101119) and next prime (102012101123).

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

It is not a de Polignac number, because 102012101121 - 2¹ = 102012101119 is a prime.

It is a super-2 number, since 2×102012101121² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102012101097 and 102012101106.

It is not an unprimeable number, because it can be changed into a prime (102012101123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2428859530 + ... + 2428859571.

It is an arithmetic number, because the mean of its divisors is an integer number (19430876408).

Almost surely, 2^102012101121 is an apocalyptic number.

It is an amenable number.

102012101121 is a deficient number, since it is larger than the sum of its proper divisors (53434910143).

102012101121 is an equidigital number, since it uses as much as digits as its factorization.

102012101121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4857719111.

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

Adding to 102012101121 its reverse (121101210201), we get a palindrome (223113311322).

The spelling of 102012101121 in words is "one hundred two billion, twelve million, one hundred one thousand, one hundred twenty-one".