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100021102110 = 2325233710911981
BaseRepresentation
bin101110100100110111…
…0001110011000011110
3100120011122100102220100
41131021232032120132
53114320400231420
6113540555201530
710140421224456
oct1351156163036
9316148312810
10100021102110
1139467339466
1217474a462a6
13957ccba6b7
144babb94d66
152906007190
hex1749b8e61e

100021102110 has 192 divisors, whose sum is σ = 281276012160. Its totient is φ = 24593310720.

The previous prime is 100021102061. The next prime is 100021102123. The reversal of 100021102110 is 11201120001.

It is a happy number.

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 = 100021102092 and 100021102101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8342320 + ... + 8354300.

It is an arithmetic number, because the mean of its divisors is an integer number (1464979230).

Almost surely, 2100021102110 is an apocalyptic number.

100021102110 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 100021102110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140638006080).

100021102110 is an abundant number, since it is smaller than the sum of its proper divisors (181254910050).

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

100021102110 is a wasteful number, since it uses less digits than its factorization.

100021102110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12163 (or 12160 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 100021102110 its reverse (11201120001), we get a palindrome (111222222111).

The spelling of 100021102110 in words is "one hundred billion, twenty-one million, one hundred two thousand, one hundred ten".