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10222001021 = 231515775101
BaseRepresentation
bin10011000010100011…
…10101101101111101
3222101101111110021102
421201101311231331
5131413313013041
64410152542445
7511211401151
oct114121655575
928341443242
1010222001021
114376064731
121b933b1a25
13c6b9a891b
146cd831061
153ec61109b
hex261475b7d

10222001021 has 16 divisors (see below), whose sum is σ = 10757791488. Its totient is φ = 9694080000.

The previous prime is 10222000991. The next prime is 10222001033. The reversal of 10222001021 is 12010022201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10222001021 - 214 = 10221984637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10222000993 and 10222001011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10222001051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2001371 + ... + 2006471.

It is an arithmetic number, because the mean of its divisors is an integer number (672361968).

Almost surely, 210222001021 is an apocalyptic number.

It is an amenable number.

10222001021 is a deficient number, since it is larger than the sum of its proper divisors (535790467).

10222001021 is a wasteful number, since it uses less digits than its factorization.

10222001021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5852.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10222001021 its reverse (12010022201), we get a palindrome (22232023222).

The spelling of 10222001021 in words is "ten billion, two hundred twenty-two million, one thousand, twenty-one".

Divisors: 1 23 151 577 3473 5101 13271 87127 117323 770251 2003921 2943277 17715773 67695371 444434827 10222001021