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100010121211 = 71113397251663
BaseRepresentation
bin101110100100100010…
…0010101011111111011
3100120010212200112221101
41131021010111133323
53114310042334321
6113535523552231
710140226001260
oct1351104253773
9316125615841
10100010121211
1139461119340
121747122b677
13957a944520
144baa537267
152905088791
hex17491157fb

100010121211 has 32 divisors (see below), whose sum is σ = 134618093568. Its totient is φ = 71753869440.

The previous prime is 100010121161. The next prime is 100010121221. The reversal of 100010121211 is 112121010001.

It is not a de Polignac number, because 100010121211 - 29 = 100010120699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100010121221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 271566 + ... + 523228.

It is an arithmetic number, because the mean of its divisors is an integer number (4206815424).

Almost surely, 2100010121211 is an apocalyptic number.

100010121211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

100010121211 is a deficient number, since it is larger than the sum of its proper divisors (34607972357).

100010121211 is a wasteful number, since it uses less digits than its factorization.

100010121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252091.

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

Adding to 100010121211 its reverse (112121010001), we get a palindrome (212131131212).

The spelling of 100010121211 in words is "one hundred billion, ten million, one hundred twenty-one thousand, two hundred eleven".

Divisors: 1 7 11 13 77 91 143 397 1001 2779 4367 5161 30569 36127 56771 251663 397397 1761641 2768293 3271619 19378051 22901333 35987809 99910211 251914663 699371477 1099012321 1298832743 7693086247 9091829201 14287160173 100010121211