Search a number
-
+
101212101021011 = 792090361291003
BaseRepresentation
bin10111000000110101000111…
…010101000000110101010011
3111021100210010100020012101112
4113000311013111000311103
5101231224340330133021
6555132110342123535
730214222133626031
oct2700650725006523
9437323110205345
10101212101021011
112a2818a1483482
12b4276bba205ab
13446234c7a58c6
141adc998533551
15ba7b5ba32d5b
hex5c0d47540d53

101212101021011 has 8 divisors (see below), whose sum is σ = 102498171809280. Its totient is φ = 99926152856712.

The previous prime is 101212101020993. The next prime is 101212101021047. The reversal of 101212101021011 is 110120101212101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-101212101021011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101212101021511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28994165 + ... + 32296838.

It is an arithmetic number, because the mean of its divisors is an integer number (12812271476160).

Almost surely, 2101212101021011 is an apocalyptic number.

101212101021011 is a deficient number, since it is larger than the sum of its proper divisors (1286070788269).

101212101021011 is an equidigital number, since it uses as much as digits as its factorization.

101212101021011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61311985.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 101212101021011 its reverse (110120101212101), we get a palindrome (211332202233112).

The spelling of 101212101021011 in words is "one hundred one trillion, two hundred twelve billion, one hundred one million, twenty-one thousand, eleven".

Divisors: 1 79 20903 1651337 61291003 4841989237 1281165835709 101212101021011