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101220021122 = 21120359225989
BaseRepresentation
bin101111001000100101…
…1101111001110000010
3100200021012022211121012
41132101023233032002
53124244311133442
6114255544200522
710212216661253
oct1362113571602
9320235284535
10101220021122
1139a22077020
121774a469142
1397114c3b2c
144c830c2b2a
1529763cc582
hex17912ef382

101220021122 has 16 divisors (see below), whose sum is σ = 165641630400. Its totient is φ = 46006637040.

The previous prime is 101220021121. The next prime is 101220021143. The reversal of 101220021122 is 221120022101.

101220021122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1012200211222 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101220021097 and 101220021106.

It is not an unprimeable number, because it can be changed into a prime (101220021121) 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 7 ways as a sum of consecutive naturals, for example, 334904 + ... + 560892.

It is an arithmetic number, because the mean of its divisors is an integer number (10352601900).

Almost surely, 2101220021122 is an apocalyptic number.

101220021122 is a deficient number, since it is larger than the sum of its proper divisors (64421609278).

101220021122 is a wasteful number, since it uses less digits than its factorization.

101220021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246361.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 101220021122 its reverse (221120022101), we get a palindrome (322340043223).

The spelling of 101220021122 in words is "one hundred one billion, two hundred twenty million, twenty-one thousand, one hundred twenty-two".

Divisors: 1 2 11 22 20359 40718 223949 225989 447898 451978 2485879 4971758 4600910051 9201820102 50610010561 101220021122