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10201220100001 = 71457317157143
BaseRepresentation
bin1001010001110010100000…
…0110011010111110100001
31100010020010120100102212201
42110130220012122332201
52314114044321200001
633410213102053201
72102004513103210
oct224345006327641
940106116312781
1010201220100001
11328334988a427
121189093b7a201
1358cc81188958
14273a55293077
1512a555573501
hex9472819afa1

10201220100001 has 4 divisors (see below), whose sum is σ = 11658537257152. Its totient is φ = 8743902942852.

The previous prime is 10201220099971. The next prime is 10201220100017. The reversal of 10201220100001 is 10000102210201.

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 not a de Polignac number, because 10201220100001 - 235 = 10166860361633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10201220100901) 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, 728658578565 + ... + 728658578578.

It is an arithmetic number, because the mean of its divisors is an integer number (2914634314288).

Almost surely, 210201220100001 is an apocalyptic number.

It is an amenable number.

10201220100001 is a deficient number, since it is larger than the sum of its proper divisors (1457317157151).

10201220100001 is an equidigital number, since it uses as much as digits as its factorization.

10201220100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1457317157150.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10201220100001 its reverse (10000102210201), we get a palindrome (20201322310202).

The spelling of 10201220100001 in words is "ten trillion, two hundred one billion, two hundred twenty million, one hundred thousand, one".

Divisors: 1 7 1457317157143 10201220100001