Search a number
-
+
111020210212202 = 255510105106101
BaseRepresentation
bin11001001111100011101000…
…001100010100110101101010
3112120002102120100001100202222
4121033203220030110311222
5104022423342303242302
61032041551441154042
732245642206322214
oct3117435014246552
9476072510040688
10111020210212202
11324134524126a5
121055056392b922
1349c4212666235
141d5b59a54d5b4
15cc7d553b9da2
hex64f8e8314d6a

111020210212202 has 4 divisors (see below), whose sum is σ = 166530315318306. Its totient is φ = 55510105106100.

The previous prime is 111020210212181. The next prime is 111020210212213. The reversal of 111020210212202 is 202212012020111.

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

It can be written as a sum of positive squares in only one way, i.e., 107701659399481 + 3318550812721 = 10377941^2 + 1821689^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27755052553049 + ... + 27755052553052.

Almost surely, 2111020210212202 is an apocalyptic number.

111020210212202 is a deficient number, since it is larger than the sum of its proper divisors (55510105106104).

111020210212202 is an equidigital number, since it uses as much as digits as its factorization.

111020210212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55510105106103.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 111020210212202 its reverse (202212012020111), we get a palindrome (313232222232313).

The spelling of 111020210212202 in words is "one hundred eleven trillion, twenty billion, two hundred ten million, two hundred twelve thousand, two hundred two".

Divisors: 1 2 55510105106101 111020210212202