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201120220101021 = 3131719791272296949
BaseRepresentation
bin101101101110101011110011…
…010001101011100110011101
3222101002220102221101101101120
4231232223303101223212131
5202330123202321213041
61551425204214001153
760235312354133064
oct5556536321534635
9871086387341346
10201120220101021
11590a0674065531
121a6825429461b9
13882b72b216470
1437943b07091db
15183b8e9c86366
hexb6eaf346b99d

201120220101021 has 256 divisors, whose sum is σ = 329991782400000. Its totient is φ = 107612701507584.

The previous prime is 201120220100971. The next prime is 201120220101049. The reversal of 201120220101021 is 120101022021102.

It is not a de Polignac number, because 201120220101021 - 215 = 201120220068253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201120220103021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 28942322055 + ... + 28942329003.

It is an arithmetic number, because the mean of its divisors is an integer number (1289030400000).

Almost surely, 2201120220101021 is an apocalyptic number.

It is an amenable number.

201120220101021 is a deficient number, since it is larger than the sum of its proper divisors (128871562298979).

201120220101021 is a wasteful number, since it uses less digits than its factorization.

201120220101021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7436.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 201120220101021 its reverse (120101022021102), we get a palindrome (321221242122123).

The spelling of 201120220101021 in words is "two hundred one trillion, one hundred twenty billion, two hundred twenty million, one hundred one thousand, twenty-one".