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2001010110211 = 73131243773433
BaseRepresentation
bin11101000111100101011…
…111110010111100000011
321002021221211112202200101
4131013211133302330003
5230241032042011321
64131130143103231
7264365616204550
oct35074537627403
97067854482611
102001010110211
1170169504a612
122839862a1b17
13116904901318
146cbc6aada27
15370b6a09791
hex1d1e57f2f03

2001010110211 has 16 divisors (see below), whose sum is σ = 2294390695104. Its totient is φ = 1709511058944.

The previous prime is 2001010110157. The next prime is 2001010110221. The reversal of 2001010110211 is 1120110101002.

It is a cyclic number.

It is not a de Polignac number, because 2001010110211 - 219 = 2001009585923 is a prime.

It is a super-2 number, since 2×20010101102112 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001010110221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27212751 + ... + 27286183.

It is an arithmetic number, because the mean of its divisors is an integer number (143399418444).

Almost surely, 22001010110211 is an apocalyptic number.

2001010110211 is a deficient number, since it is larger than the sum of its proper divisors (293380584893).

2001010110211 is a wasteful number, since it uses less digits than its factorization.

2001010110211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86190.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 2001010110211 its reverse (1120110101002), we get a palindrome (3121120211213).

The spelling of 2001010110211 in words is "two trillion, one billion, ten million, one hundred ten thousand, two hundred eleven".

Divisors: 1 7 313 2191 12437 73433 87059 514031 3892781 22984529 27249467 160891703 913286221 6393003547 285858587173 2001010110211