Search a number
-
+
121102032321121 = 309011391902011
BaseRepresentation
bin11011100010010001000011…
…100111100011101001100001
3120212210020111212000102010211
4123202101003213203221201
5111333113430233233441
61105321301114054121
734336222153310155
oct3342210347435141
9525706455012124
10121102032321121
11356500a1138135
12116ba47571a341
135275b46287907
1421c9526407065
15e0021d750a81
hex6e24439e3a61

121102032321121 has 4 divisors (see below), whose sum is σ = 121102424532144. Its totient is φ = 121101640110100.

The previous prime is 121102032321103. The next prime is 121102032321161. The reversal of 121102032321121 is 121123230201121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121102032321121 - 215 = 121102032288353 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121102032321092 and 121102032321101.

It is not an unprimeable number, because it can be changed into a prime (121102032321161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195641995 + ... + 196260016.

It is an arithmetic number, because the mean of its divisors is an integer number (30275606133036).

Almost surely, 2121102032321121 is an apocalyptic number.

It is an amenable number.

121102032321121 is a deficient number, since it is larger than the sum of its proper divisors (392211023).

121102032321121 is an equidigital number, since it uses as much as digits as its factorization.

121102032321121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392211022.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 121102032321121 its reverse (121123230201121), we get a palindrome (242225262522242).

The spelling of 121102032321121 in words is "one hundred twenty-one trillion, one hundred two billion, thirty-two million, three hundred twenty-one thousand, one hundred twenty-one".

Divisors: 1 309011 391902011 121102032321121