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1121102101 = 71632334217
BaseRepresentation
bin100001011010010…
…1010100100010101
32220010112212222001
41002310222210111
54244000231401
6303125035301
736532132150
oct10264524425
92803485861
101121102101
11525918669
12273555b31
1314b35b932
14a8c72c97
1568653601
hex42d2a915

1121102101 has 16 divisors (see below), whose sum is σ = 1294959744. Its totient is φ = 950724864.

The previous prime is 1121102093. The next prime is 1121102113. The reversal of 1121102101 is 1012011211.

It is a cyclic number.

It is not a de Polignac number, because 1121102101 - 23 = 1121102093 is a prime.

It is a super-2 number, since 2×11211021012 = 2513739841733228402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121108101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263745 + ... + 267961.

It is an arithmetic number, because the mean of its divisors is an integer number (80934984).

Almost surely, 21121102101 is an apocalyptic number.

It is an amenable number.

1121102101 is a deficient number, since it is larger than the sum of its proper divisors (173857643).

1121102101 is a wasteful number, since it uses less digits than its factorization.

1121102101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4620.

The product of its (nonzero) digits is 4, while the sum is 10.

The square root of 1121102101 is about 33482.8627957646. The cubic root of 1121102101 is about 1038.8393428048.

Adding to 1121102101 its reverse (1012011211), we get a palindrome (2133113312).

The spelling of 1121102101 in words is "one billion, one hundred twenty-one million, one hundred two thousand, one hundred one".

Divisors: 1 7 163 233 1141 1631 4217 29519 37979 265853 687371 982561 4811597 6877927 160157443 1121102101