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22210202101 = 53419060417
BaseRepresentation
bin10100101011110101…
…001100100111110101
32010022212102011112211
4110223311030213311
5330441302431401
614111521413421
71414250413543
oct245365144765
963285364484
1022210202101
11946809762a
12437a19a271
13212c56bb29
141109a5ad93
1589ed00951
hex52bd4c9f5

22210202101 has 4 divisors (see below), whose sum is σ = 22629262572. Its totient is φ = 21791141632.

The previous prime is 22210202099. The next prime is 22210202107. The reversal of 22210202101 is 10120201222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14355634225 + 7854567876 = 119815^2 + 88626^2 .

It is a cyclic number.

It is not a de Polignac number, because 22210202101 - 21 = 22210202099 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 (22210202107) 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, 209530156 + ... + 209530261.

It is an arithmetic number, because the mean of its divisors is an integer number (5657315643).

Almost surely, 222210202101 is an apocalyptic number.

It is an amenable number.

22210202101 is a deficient number, since it is larger than the sum of its proper divisors (419060471).

22210202101 is an equidigital number, since it uses as much as digits as its factorization.

22210202101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419060470.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22210202101 its reverse (10120201222), we get a palindrome (32330403323).

The spelling of 22210202101 in words is "twenty-two billion, two hundred ten million, two hundred two thousand, one hundred one".

Divisors: 1 53 419060417 22210202101