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101022010221 = 31169110314297
BaseRepresentation
bin101111000010101100…
…0011000101101101101
3100122202101201211201010
41132011120120231231
53123343113311341
6114224152135433
710204263630066
oct1360530305555
9318671654633
10101022010221
1139930322550
12176b4097579
1396ac485012
144c64a9b56d
152963d17716
hex1785618b6d

101022010221 has 32 divisors (see below), whose sum is σ = 147330763776. Its totient is φ = 61063344000.

The previous prime is 101022010097. The next prime is 101022010241. The reversal of 101022010221 is 122010220101.

It is not a de Polignac number, because 101022010221 - 27 = 101022010093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101022010197 and 101022010206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101022010241) 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 31 ways as a sum of consecutive naturals, for example, 23507745 + ... + 23512041.

It is an arithmetic number, because the mean of its divisors is an integer number (4604086368).

Almost surely, 2101022010221 is an apocalyptic number.

101022010221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

101022010221 is a deficient number, since it is larger than the sum of its proper divisors (46308753555).

101022010221 is a wasteful number, since it uses less digits than its factorization.

101022010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6033.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 101022010221 its reverse (122010220101), we get a palindrome (223032230322).

The spelling of 101022010221 in words is "one hundred one billion, twenty-two million, ten thousand, two hundred twenty-one".

Divisors: 1 3 11 33 691 1031 2073 3093 4297 7601 11341 12891 22803 34023 47267 141801 712421 2137263 2969227 4430207 7836631 8907681 13290621 23509893 32661497 48732277 97984491 146196831 3061273037 9183819111 33674003407 101022010221