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101021101110 = 23253747719091
BaseRepresentation
bin101111000010101010…
…0111010110000110110
3100122202100000122122100
41132011110322300312
53123342400213420
6114224120442530
710204253122446
oct1360524726066
9318670018570
10101021101110
113992a861516
12176b3919446
1396ac227297
144c64902126
152963bd8190
hex178553ac36

101021101110 has 192 divisors, whose sum is σ = 279403997184. Its totient is φ = 25289107200.

The previous prime is 101021101099. The next prime is 101021101141. The reversal of 101021101110 is 11101120101.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 101021101092 and 101021101101.

It is a congruent number.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 11107665 + ... + 11116755.

It is an arithmetic number, because the mean of its divisors is an integer number (1455229152).

Almost surely, 2101021101110 is an apocalyptic number.

101021101110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 101021101110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139701998592).

101021101110 is an abundant number, since it is smaller than the sum of its proper divisors (178382896074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101021101110 is a wasteful number, since it uses less digits than its factorization.

101021101110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9259 (or 9256 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 101021101110 its reverse (11101120101), we get a palindrome (112122221211).

The spelling of 101021101110 in words is "one hundred one billion, twenty-one million, one hundred one thousand, one hundred ten".