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1001212020110 = 251019109190059
BaseRepresentation
bin11101001000111001110…
…00110000010110001110
310112201022012001102111202
432210130320300112032
5112400440234120420
62043541144145502
7132222652516241
oct16443470602616
93481265042452
101001212020110
113566800a1605
1214205ba68292
137354c40b1c3
143665d3c5258
151b09cd78575
hexe91ce3058e

1001212020110 has 32 divisors (see below), whose sum is σ = 1805623747200. Its totient is φ = 399720631840.

The previous prime is 1001212020103. The next prime is 1001212020113. The reversal of 1001212020110 is 110202121001.

It is a junction number, because it is equal to n+sod(n) for n = 1001212020091 and 1001212020100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001212020113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11072261 + ... + 11162319.

It is an arithmetic number, because the mean of its divisors is an integer number (56425742100).

Almost surely, 21001212020110 is an apocalyptic number.

1001212020110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001212020110 is a deficient number, since it is larger than the sum of its proper divisors (804411727090).

1001212020110 is a wasteful number, since it uses less digits than its factorization.

1001212020110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92176.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1001212020110 its reverse (110202121001), we get a palindrome (1111414141111).

The spelling of 1001212020110 in words is "one trillion, one billion, two hundred twelve million, twenty thousand, one hundred ten".

Divisors: 1 2 5 10 1019 1091 2038 2182 5095 5455 10190 10910 90059 180118 450295 900590 1111729 2223458 5558645 11117290 91770121 98254369 183540242 196508738 458850605 491271845 917701210 982543690 100121202011 200242404022 500606010055 1001212020110