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101001220001 = 1131296191261
BaseRepresentation
bin101111000010000100…
…1000100111110100001
3100122200221121120212222
41132010021010332201
53123322303020001
6114222130400425
710203622130153
oct1360411047641
9318627546788
10101001220001
113991a612550
12176a9130115
1396a8086006
144c62008ad3
1529620ac61b
hex1784244fa1

101001220001 has 8 divisors (see below), whose sum is σ = 113737444608. Its totient is φ = 88857378000.

The previous prime is 101001219967. The next prime is 101001220043. The reversal of 101001220001 is 100022100101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101001220001 - 222 = 100997025697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101001220051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148095290 + ... + 148095971.

It is an arithmetic number, because the mean of its divisors is an integer number (14217180576).

Almost surely, 2101001220001 is an apocalyptic number.

101001220001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

101001220001 is a deficient number, since it is larger than the sum of its proper divisors (12736224607).

101001220001 is a wasteful number, since it uses less digits than its factorization.

101001220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296191303.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 101001220001 its reverse (100022100101), we get a palindrome (201023320102).

The spelling of 101001220001 in words is "one hundred one billion, one million, two hundred twenty thousand, one".

Divisors: 1 11 31 341 296191261 3258103871 9181929091 101001220001