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1001210212011 = 3976315452591
BaseRepresentation
bin11101001000111001100…
…01110110111010101011
310112201022001122120021010
432210130301312322223
5112400434303241021
62043541041315003
7132222631245642
oct16443461667253
93481261576233
101001210212011
1135667a077109
1214205b335a63
137354bc27219
143665d074359
151b09cb1c976
hexe91cc76eab

1001210212011 has 16 divisors (see below), whose sum is σ = 1350846952448. Its totient is φ = 659545286400.

The previous prime is 1001210211979. The next prime is 1001210212031. The reversal of 1001210212011 is 1102120121001.

It is not a de Polignac number, because 1001210212011 - 25 = 1001210211979 is a prime.

It is a super-2 number, since 2×10012102120112 (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 (1001210212031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2542675 + ... + 2909916.

It is an arithmetic number, because the mean of its divisors is an integer number (84427934528).

Almost surely, 21001210212011 is an apocalyptic number.

1001210212011 is a deficient number, since it is larger than the sum of its proper divisors (349636740437).

1001210212011 is an equidigital number, since it uses as much as digits as its factorization.

1001210212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5453322.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1001210212011 its reverse (1102120121001), we get a palindrome (2103330333012).

The spelling of 1001210212011 in words is "one trillion, one billion, two hundred ten million, two hundred twelve thousand, eleven".

Divisors: 1 3 97 291 631 1893 61207 183621 5452591 16357773 528901327 1586703981 3440584921 10321754763 333736737337 1001210212011