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102102121111100 = 22521192820110101
BaseRepresentation
bin10111001101110010000000…
…101010001101111000111100
3111101111212102101001022220212
4113031302000222031320330
5101340320121001023400
61001053022241331552
730335430512600225
oct2715620052157074
9441455371038825
10102102121111100
112a5952a2630240
12b5500a9936bb8
1344c825b789976
141b2daaa30624c
15bc0d9cd1e335
hex5cdc80a8de3c

102102121111100 has 36 divisors (see below), whose sum is σ = 241703566705608. Its totient is φ = 37128044040000.

The previous prime is 102102121111051. The next prime is 102102121111129. The reversal of 102102121111100 is 1111121201201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46410053951 + ... + 46410056150.

Almost surely, 2102102121111100 is an apocalyptic number.

102102121111100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102102121111100 is an abundant number, since it is smaller than the sum of its proper divisors (139601445594508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102102121111100 is a wasteful number, since it uses less digits than its factorization.

102102121111100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92820110126 (or 92820110119 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 102102121111100 its reverse (1111121201201), we get a palindrome (103213242312301).

The spelling of 102102121111100 in words is "one hundred two trillion, one hundred two billion, one hundred twenty-one million, one hundred eleven thousand, one hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 220 275 550 1100 92820110101 185640220202 371280440404 464100550505 928201101010 1021021211111 1856402202020 2042042422222 2320502752525 4084084844444 4641005505050 5105106055555 9282011010100 10210212111110 20420424222220 25525530277775 51051060555550 102102121111100