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100221011201 = 142770231963
BaseRepresentation
bin101110101010110100…
…0110100010100000001
3100120200120111212121202
41131111220310110001
53120223034324301
6114012500030545
710145366353013
oct1352550642401
9316616455552
10100221011201
113955a16a093
121750b992455
1395b25424bc
144bca5521b3
15291884466b
hex1755a34501

100221011201 has 4 divisors (see below), whose sum is σ = 100291244592. Its totient is φ = 100150777812.

The previous prime is 100221011179. The next prime is 100221011237. The reversal of 100221011201 is 102110122001.

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 100221011201 - 222 = 100216816897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100221001201) 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, 35114555 + ... + 35117408.

It is an arithmetic number, because the mean of its divisors is an integer number (25072811148).

Almost surely, 2100221011201 is an apocalyptic number.

It is an amenable number.

100221011201 is a deficient number, since it is larger than the sum of its proper divisors (70233391).

100221011201 is an equidigital number, since it uses as much as digits as its factorization.

100221011201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70233390.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 100221011201 its reverse (102110122001), we get a palindrome (202331133202).

The spelling of 100221011201 in words is "one hundred billion, two hundred twenty-one million, eleven thousand, two hundred one".

Divisors: 1 1427 70231963 100221011201