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22110121201 = 73158588743
BaseRepresentation
bin10100100101110111…
…011010110011110001
32010001220002112100211
4110211313122303301
5330240142334301
614053544344121
71411623633520
oct244567326361
963056075324
1022110121201
119416650343
124350775041
1321148ca56c
1410da6484b7
15896132051
hex525ddacf1

22110121201 has 4 divisors (see below), whose sum is σ = 25268709952. Its totient is φ = 18951532452.

The previous prime is 22110121199. The next prime is 22110121211. The reversal of 22110121201 is 10212101122.

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 22110121201 - 21 = 22110121199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22110121211) 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, 1579294365 + ... + 1579294378.

It is an arithmetic number, because the mean of its divisors is an integer number (6317177488).

Almost surely, 222110121201 is an apocalyptic number.

It is an amenable number.

22110121201 is a deficient number, since it is larger than the sum of its proper divisors (3158588751).

22110121201 is an equidigital number, since it uses as much as digits as its factorization.

22110121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3158588750.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22110121201 its reverse (10212101122), we get a palindrome (32322222323).

The spelling of 22110121201 in words is "twenty-two billion, one hundred ten million, one hundred twenty-one thousand, two hundred one".

Divisors: 1 7 3158588743 22110121201