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10220011201 = 11390442577
BaseRepresentation
bin10011000010010100…
…01111111011000001
3222101020202100202101
421201022033323001
5131412310324301
64410042150401
7511155443011
oct114112177301
928336670671
1010220011201
114374a25754
121b927b2401
13c6b46000a
146cd473c41
153ec36b701
hex26128fec1

10220011201 has 4 divisors (see below), whose sum is σ = 10310453892. Its totient is φ = 10129568512.

The previous prime is 10220011189. The next prime is 10220011229. The reversal of 10220011201 is 10211002201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10211002201 = 97871043323.

It can be written as a sum of positive squares in 2 ways, for example, as 1270851201 + 8949160000 = 35649^2 + 94600^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10220011201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10220011271) 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, 45221176 + ... + 45221401.

It is an arithmetic number, because the mean of its divisors is an integer number (2577613473).

Almost surely, 210220011201 is an apocalyptic number.

It is an amenable number.

10220011201 is a deficient number, since it is larger than the sum of its proper divisors (90442691).

10220011201 is an equidigital number, since it uses as much as digits as its factorization.

10220011201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90442690.

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

Adding to 10220011201 its reverse (10211002201), we get a palindrome (20431013402).

The spelling of 10220011201 in words is "ten billion, two hundred twenty million, eleven thousand, two hundred one".

Divisors: 1 113 90442577 10220011201