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101011001001011 = 181155776367201
BaseRepresentation
bin10110111101111001110100…
…110101010100010000110011
3111020122120001100001201010122
4112331321310311110100303
5101214431012224013021
6554455451354520455
730163542524643443
oct2675716465242063
9436576040051118
10101011001001011
112a204585793a42
12b3b4737a3612b
1344493b15c992a
141ad2d5c30a123
15ba27dbc21bab
hex5bde74d54433

101011001001011 has 4 divisors (see below), whose sum is σ = 101066777370024. Its totient is φ = 100955224632000.

The previous prime is 101011001001007. The next prime is 101011001001023. The reversal of 101011001001011 is 110100100110101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101011001001011 - 22 = 101011001001007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101011001001011.

It is not an unprimeable number, because it can be changed into a prime (101011001001511) 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, 27888181790 + ... + 27888185411.

It is an arithmetic number, because the mean of its divisors is an integer number (25266694342506).

Almost surely, 2101011001001011 is an apocalyptic number.

101011001001011 is a deficient number, since it is larger than the sum of its proper divisors (55776369013).

101011001001011 is an equidigital number, since it uses as much as digits as its factorization.

101011001001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55776369012.

The product of its (nonzero) digits is 1, while the sum is 8.

Adding to 101011001001011 its reverse (110100100110101), we get a palindrome (211111101111112).

The spelling of 101011001001011 in words is "one hundred one trillion, eleven billion, one million, one thousand, eleven".

Divisors: 1 1811 55776367201 101011001001011