Search a number
-
+
122211202102211 = 725867168365833
BaseRepresentation
bin11011110010011010000011…
…010010011111001111000011
3121000201021110210122022202102
4123302122003102133033003
5112004302020214232321
61111531015015541015
734512316342013315
oct3362320322371703
9530637423568672
10122211202102211
1135a38530602402
121185942438a76b
13532660ba49951
1422270a767d7b5
15e1ded9268c0b
hex6f268349f3c3

122211202102211 has 4 divisors (see below), whose sum is σ = 122211371193912. Its totient is φ = 122211033010512.

The previous prime is 122211202102147. The next prime is 122211202102259. The reversal of 122211202102211 is 112201202112221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122211202102211 - 26 = 122211202102147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122211202102271) 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, 83457050 + ... + 84908783.

It is an arithmetic number, because the mean of its divisors is an integer number (30552842798478).

Almost surely, 2122211202102211 is an apocalyptic number.

122211202102211 is a deficient number, since it is larger than the sum of its proper divisors (169091701).

122211202102211 is an equidigital number, since it uses as much as digits as its factorization.

122211202102211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169091700.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 122211202102211 its reverse (112201202112221), we get a palindrome (234412404214432).

The spelling of 122211202102211 in words is "one hundred twenty-two trillion, two hundred eleven billion, two hundred two million, one hundred two thousand, two hundred eleven".

Divisors: 1 725867 168365833 122211202102211