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2220101201201 = 13170777015477
BaseRepresentation
bin100000010011101000010…
…101111110110100110001
321212020110200002100122212
4200103220111332310301
5242333231401414301
64415522253341505
7316253114563142
oct40235025766461
97766420070585
102220101201201
117865a3282a64
122ba32b497895
1313147c202630
147964c47bac9
153cb3b00d4bb
hex204e857ed31

2220101201201 has 4 divisors (see below), whose sum is σ = 2390878216692. Its totient is φ = 2049324185712.

The previous prime is 2220101201161. The next prime is 2220101201203. The reversal of 2220101201201 is 1021021010222.

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 1430093098225 + 790008102976 = 1195865^2 + 888824^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220101201201 - 238 = 1945223294257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2220101201203) 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, 85388507726 + ... + 85388507751.

It is an arithmetic number, because the mean of its divisors is an integer number (597719554173).

Almost surely, 22220101201201 is an apocalyptic number.

It is an amenable number.

2220101201201 is a deficient number, since it is larger than the sum of its proper divisors (170777015491).

2220101201201 is a wasteful number, since it uses less digits than its factorization.

2220101201201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170777015490.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2220101201201 its reverse (1021021010222), we get a palindrome (3241122211423).

The spelling of 2220101201201 in words is "two trillion, two hundred twenty billion, one hundred one million, two hundred one thousand, two hundred one".

Divisors: 1 13 170777015477 2220101201201