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22220012101 = 73174287443
BaseRepresentation
bin10100101100011010…
…100111101001000101
32010100112212120100011
4110230122213221011
5331001310341401
614112511550221
71414426662250
oct245432475105
963315776304
1022220012101
119472687a71
12438152b371
1321315c5071
14110b092097
158a0adc451
hex52c6a7a45

22220012101 has 4 divisors (see below), whose sum is σ = 25394299552. Its totient is φ = 19045724652.

The previous prime is 22220012093. The next prime is 22220012123. The reversal of 22220012101 is 10121002222.

It is a happy number.

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 22220012101 - 23 = 22220012093 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 (22220012501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1587143715 + ... + 1587143728.

It is an arithmetic number, because the mean of its divisors is an integer number (6348574888).

Almost surely, 222220012101 is an apocalyptic number.

It is an amenable number.

22220012101 is a deficient number, since it is larger than the sum of its proper divisors (3174287451).

22220012101 is an equidigital number, since it uses as much as digits as its factorization.

22220012101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3174287450.

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

Adding to 22220012101 its reverse (10121002222), we get a palindrome (32341014323).

The spelling of 22220012101 in words is "twenty-two billion, two hundred twenty million, twelve thousand, one hundred one".

Divisors: 1 7 3174287443 22220012101