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100220101210 = 2510331970091
BaseRepresentation
bin101110101010110010…
…1010110001001011010
3100120200111210122100101
41131111211112021122
53120222321214320
6114012424330014
710145355542665
oct1352545261132
9316614718311
10100220101210
11395596a8429
121750b61390a
1395b22b4248
144bca3966dc
152918714c0a
hex175595625a

100220101210 has 16 divisors (see below), whose sum is σ = 180413829792. Its totient is φ = 40084118800.

The previous prime is 100220101109. The next prime is 100220101243. The reversal of 100220101210 is 12101022001.

It is a Harshad number since it is a multiple of its sum of digits (10).

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 7 ways as a sum of consecutive naturals, for example, 381736 + ... + 588355.

It is an arithmetic number, because the mean of its divisors is an integer number (11275864362).

Almost surely, 2100220101210 is an apocalyptic number.

100220101210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100220101210 is a deficient number, since it is larger than the sum of its proper divisors (80193728582).

100220101210 is a wasteful number, since it uses less digits than its factorization.

100220101210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980429.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 100220101210 its reverse (12101022001), we get a palindrome (112321123211).

The spelling of 100220101210 in words is "one hundred billion, two hundred twenty million, one hundred one thousand, two hundred ten".

Divisors: 1 2 5 10 10331 20662 51655 103310 970091 1940182 4850455 9700910 10022010121 20044020242 50110050605 100220101210