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10222321021 = 113129977481
BaseRepresentation
bin10011000010100110…
…00011110101111101
3222101102002201020021
421201103003311331
5131413403233041
64410203452141
7511214203123
oct114123036575
928342081207
1010222321021
1143762630a0
121b93527051
13c6ba8b483
146cd8b5913
153ec675cd1
hex2614c3d7d

10222321021 has 8 divisors (see below), whose sum is σ = 11511353088. Its totient is φ = 8993244000.

The previous prime is 10222321019. The next prime is 10222321037. The reversal of 10222321021 is 12012322201.

It is a happy number.

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 10222321021 - 21 = 10222321019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10222320986 and 10222321004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10222321091) 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, 14988400 + ... + 14989081.

It is an arithmetic number, because the mean of its divisors is an integer number (1438919136).

Almost surely, 210222321021 is an apocalyptic number.

10222321021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10222321021 is a deficient number, since it is larger than the sum of its proper divisors (1289032067).

10222321021 is a wasteful number, since it uses less digits than its factorization.

10222321021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29977523.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 10222321021 its reverse (12012322201), we get a palindrome (22234643222).

The spelling of 10222321021 in words is "ten billion, two hundred twenty-two million, three hundred twenty-one thousand, twenty-one".

Divisors: 1 11 31 341 29977481 329752291 929301911 10222321021