Search a number
-
+
101222101211021 = 7125471152490649
BaseRepresentation
bin10111000000111110011011…
…011000101101011110001101
3111021101201221021100111011022
4113000332123120231132031
5101231410330402223041
6555140442533003525
730215025013061660
oct2700763330553615
9437351837314138
10101222101211021
112a28606330821a
12b429630a835a5
13446328452b6bb
141add2667056d7
15ba804492c24b
hex5c0f9b62d78d

101222101211021 has 8 divisors (see below), whose sum is σ = 115691621409600. Its totient is φ = 86754886018848.

The previous prime is 101222101211009. The next prime is 101222101211117. The reversal of 101222101211021 is 120112101222101.

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

It is a cyclic number.

It is not a de Polignac number, because 101222101211021 - 226 = 101222034102157 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 (101222161211021) 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, 576157496 + ... + 576333153.

It is an arithmetic number, because the mean of its divisors is an integer number (14461452676200).

Almost surely, 2101222101211021 is an apocalyptic number.

It is an amenable number.

101222101211021 is a deficient number, since it is larger than the sum of its proper divisors (14469520198579).

101222101211021 is a wasteful number, since it uses less digits than its factorization.

101222101211021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152503203.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 101222101211021 its reverse (120112101222101), we get a palindrome (221334202433122).

The spelling of 101222101211021 in words is "one hundred one trillion, two hundred twenty-two billion, one hundred one million, two hundred eleven thousand, twenty-one".

Divisors: 1 7 12547 87829 1152490649 8067434543 14460300173003 101222101211021