Search a number
-
+
101220202022101 = 234400878348787
BaseRepresentation
bin10111000000111100101010…
…001011111000010011010101
3111021101120000220200200201221
4113000330222023320103111
5101231342433204201401
6555135530250450341
730214626652201021
oct2700745213702325
9437346026620657
10101220202022101
112a2852792664a8
12b4291a0a339b1
134463040c20086
141add1263ad381
15ba7e82d2e7a1
hex5c0f2a2f84d5

101220202022101 has 4 divisors (see below), whose sum is σ = 105621080370912. Its totient is φ = 96819323673292.

The previous prime is 101220202022089. The next prime is 101220202022167.

It is a happy number.

101220202022101 is nontrivially palindromic in base 10.

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 a de Polignac number, because none of the positive numbers 2k-101220202022101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101220202022501) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 2200439174371 + ... + 2200439174416.

It is an arithmetic number, because the mean of its divisors is an integer number (26405270092728).

Almost surely, 2101220202022101 is an apocalyptic number.

It is an amenable number.

101220202022101 is a deficient number, since it is larger than the sum of its proper divisors (4400878348811).

101220202022101 is an equidigital number, since it uses as much as digits as its factorization.

101220202022101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4400878348810.

The product of its (nonzero) digits is 64, while the sum is 16.

It can be divided in two parts, 10122020 and 2022101, that added together give a palindrome (12144121).

The spelling of 101220202022101 in words is "one hundred one trillion, two hundred twenty billion, two hundred two million, twenty-two thousand, one hundred one".

Divisors: 1 23 4400878348787 101220202022101