Search a number
-
+
121301210021233 = 1111027382729203
BaseRepresentation
bin11011100101001010100011…
…100010001011110101110001
3120220111021121212222221020211
4123211022203202023311301
5111344344334231134413
61105553001231304121
734356503030652334
oct3345124342136561
9526437555887224
10121301210021233
1135717610817250
1211730ba197b041
13528b8691169b8
1421d501d1d661b
15e054c98e583d
hex6e52a388bd71

121301210021233 has 4 divisors (see below), whose sum is σ = 132328592750448. Its totient is φ = 110273827292020.

The previous prime is 121301210021213. The next prime is 121301210021249. The reversal of 121301210021233 is 332120012103121.

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 121301210021233 - 29 = 121301210020721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121301210021213) 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, 5513691364591 + ... + 5513691364612.

It is an arithmetic number, because the mean of its divisors is an integer number (33082148187612).

Almost surely, 2121301210021233 is an apocalyptic number.

It is an amenable number.

121301210021233 is a deficient number, since it is larger than the sum of its proper divisors (11027382729215).

121301210021233 is a wasteful number, since it uses less digits than its factorization.

121301210021233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11027382729214.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 121301210021233 its reverse (332120012103121), we get a palindrome (453421222124354).

The spelling of 121301210021233 in words is "one hundred twenty-one trillion, three hundred one billion, two hundred ten million, twenty-one thousand, two hundred thirty-three".

Divisors: 1 11 11027382729203 121301210021233