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101221101130 = 2510122110113
BaseRepresentation
bin101111001000100111…
…1110110111001001010
3100200021021100201002111
41132101033312321022
53124300100214010
6114300023252534
710212232110052
oct1362117667112
9320237321074
10101221101130
1139a22744496
121774a8aa14a
1397117b15a6
144c832c4562
15297654258a
hex17913f6e4a

101221101130 has 8 divisors (see below), whose sum is σ = 182197982052. Its totient is φ = 40488440448.

The previous prime is 101221101077. The next prime is 101221101131. The reversal of 101221101130 is 31101122101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 85615345201 + 15605755929 = 292601^2 + 124923^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1012211011302 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 101221101130.

It is not an unprimeable number, because it can be changed into a prime (101221101131) 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, 5061055047 + ... + 5061055066.

Almost surely, 2101221101130 is an apocalyptic number.

101221101130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101221101130 is a deficient number, since it is larger than the sum of its proper divisors (80976880922).

101221101130 is a wasteful number, since it uses less digits than its factorization.

101221101130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10122110120.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 101221101130 its reverse (31101122101), we get a palindrome (132322223231).

The spelling of 101221101130 in words is "one hundred one billion, two hundred twenty-one million, one hundred one thousand, one hundred thirty".

Divisors: 1 2 5 10 10122110113 20244220226 50610550565 101221101130