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1220010202201 = 7174287171743
BaseRepresentation
bin10001110000001110010…
…001100101010001011001
311022122001121102201000111
4101300032101211101121
5124442040102432301
62332244232404321
7154066663420660
oct21601621452131
94278047381014
101220010202201
11430448a5418a
12178542b466a1
138b07b12523b
1443097d07dd7
1521b067be551
hex11c0e465459

1220010202201 has 4 divisors (see below), whose sum is σ = 1394297373952. Its totient is φ = 1045723030452.

The previous prime is 1220010202171. The next prime is 1220010202211. The reversal of 1220010202201 is 1022020100221.

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 1220010202201 - 217 = 1220010071129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1220010202211) 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, 87143585865 + ... + 87143585878.

It is an arithmetic number, because the mean of its divisors is an integer number (348574343488).

Almost surely, 21220010202201 is an apocalyptic number.

It is an amenable number.

1220010202201 is a deficient number, since it is larger than the sum of its proper divisors (174287171751).

1220010202201 is an equidigital number, since it uses as much as digits as its factorization.

1220010202201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174287171750.

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

Adding to 1220010202201 its reverse (1022020100221), we get a palindrome (2242030302422).

The spelling of 1220010202201 in words is "one trillion, two hundred twenty billion, ten million, two hundred two thousand, two hundred one".

Divisors: 1 7 174287171743 1220010202201