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101222152401 = 3111749696079
BaseRepresentation
bin101111001000101001…
…1110111100011010001
3100200021100100010011110
41132101103313203101
53124300332334101
6114300102003533
710212244046016
oct1362123674321
9320240303143
10101222152401
1139a232a2307
121774b1165a9
139711a8bc46
144c834b970d
15297669dcd6
hex17914f78d1

101222152401 has 16 divisors (see below), whose sum is σ = 135133107200. Its totient is φ = 67396364928.

The previous prime is 101222152393. The next prime is 101222152411. The reversal of 101222152401 is 104251222101.

It is not a de Polignac number, because 101222152401 - 23 = 101222152393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101222152411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16648080 + ... + 16654158.

It is an arithmetic number, because the mean of its divisors is an integer number (8445819200).

Almost surely, 2101222152401 is an apocalyptic number.

It is an amenable number.

101222152401 is a deficient number, since it is larger than the sum of its proper divisors (33910954799).

101222152401 is a wasteful number, since it uses less digits than its factorization.

101222152401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12168.

The product of its (nonzero) digits is 320, while the sum is 21.

Adding to 101222152401 its reverse (104251222101), we get a palindrome (205473374502).

The spelling of 101222152401 in words is "one hundred one billion, two hundred twenty-two million, one hundred fifty-two thousand, four hundred one".

Divisors: 1 3 1117 3351 4969 6079 14907 18237 5550373 6790243 16651119 20370729 30206551 90619653 33740717467 101222152401