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10221323101 = 11929211191
BaseRepresentation
bin10011000010011110…
…10000001101011101
3222101100020000100021
421201033100031131
5131413124314401
64410130232141
7511202545543
oct114117201535
928340200307
1010221323101
114375741370
121b93125651
13c6b7cc1a2
146cd6d5d93
153ec52a2a1
hex2613d035d

10221323101 has 4 divisors (see below), whose sum is σ = 11150534304. Its totient is φ = 9292111900.

The previous prime is 10221323071. The next prime is 10221323107. The reversal of 10221323101 is 10132312201.

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 not a de Polignac number, because 10221323101 - 29 = 10221322589 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 (10221323107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 464605585 + ... + 464605606.

It is an arithmetic number, because the mean of its divisors is an integer number (2787633576).

Almost surely, 210221323101 is an apocalyptic number.

10221323101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10221323101 is a deficient number, since it is larger than the sum of its proper divisors (929211203).

10221323101 is an equidigital number, since it uses as much as digits as its factorization.

10221323101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929211202.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 10221323101 its reverse (10132312201), we get a palindrome (20353635302).

The spelling of 10221323101 in words is "ten billion, two hundred twenty-one million, three hundred twenty-three thousand, one hundred one".

Divisors: 1 11 929211191 10221323101