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121001101102 = 2784671020779
BaseRepresentation
bin111000010110000111…
…0100100011100101110
3102120022202220211001001
41300230032210130232
53440302240213402
6131330453310514
711512343250340
oct1605416443456
9376282824031
10121001101102
1147352a70202
121b54b03543a
13b54471b79b
145bdc29d290
153232d03187
hex1c2c3a472e

121001101102 has 16 divisors (see below), whose sum is σ = 207455160960. Its totient is φ = 51851439288.

The previous prime is 121001101087. The next prime is 121001101103. The reversal of 121001101102 is 201101100121.

It is a super-2 number, since 2×1210011011022 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121001101103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391852 + ... + 628927.

It is an arithmetic number, because the mean of its divisors is an integer number (12965947560).

Almost surely, 2121001101102 is an apocalyptic number.

121001101102 is a deficient number, since it is larger than the sum of its proper divisors (86454059858).

121001101102 is a wasteful number, since it uses less digits than its factorization.

121001101102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029255.

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

Adding to 121001101102 its reverse (201101100121), we get a palindrome (322102201223).

The spelling of 121001101102 in words is "one hundred twenty-one billion, one million, one hundred one thousand, one hundred two".

Divisors: 1 2 7 14 8467 16934 59269 118538 1020779 2041558 7145453 14290906 8642935793 17285871586 60500550551 121001101102