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10222102123 = 73511390573
BaseRepresentation
bin10011000010100100…
…01110011001101011
3222101101200120221221
421201102032121223
5131413324231443
64410155042511
7511212302002
oct114122163153
928341616857
1010222102123
114376123692
121b93440437
13c6ba1294c
146cd859c39
153ec630eed
hex26148e66b

10222102123 has 4 divisors (see below), whose sum is σ = 10223500048. Its totient is φ = 10220704200.

The previous prime is 10222102081. The next prime is 10222102127. The reversal of 10222102123 is 32120122201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32120122201 = 171889418953.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10222102123 is a prime.

It is a super-2 number, since 2×102221021232 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10222102097 and 10222102106.

It is not an unprimeable number, because it can be changed into a prime (10222102127) 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, 687936 + ... + 702637.

It is an arithmetic number, because the mean of its divisors is an integer number (2555875012).

Almost surely, 210222102123 is an apocalyptic number.

10222102123 is a deficient number, since it is larger than the sum of its proper divisors (1397925).

10222102123 is an equidigital number, since it uses as much as digits as its factorization.

10222102123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397924.

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

Adding to 10222102123 its reverse (32120122201), we get a palindrome (42342224324).

The spelling of 10222102123 in words is "ten billion, two hundred twenty-two million, one hundred two thousand, one hundred twenty-three".

Divisors: 1 7351 1390573 10222102123