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100211222110021 = 11101292213086791
BaseRepresentation
bin10110110010010000111110…
…010010111101111101000101
3111010211002200100222110200121
4112302100332102331331011
5101113330040330010041
6553044222213341541
730052010334354211
oct2662207622757505
9433732610873617
10100211222110021
1129a2638241a770
12b2a57336378b1
1343bbb543b86b9
141aa636b49d941
15b8bacd0587d1
hex5b243e4bdf45

100211222110021 has 16 divisors (see below), whose sum is σ = 110407536648576. Its totient is φ = 90196003800000.

The previous prime is 100211222110019. The next prime is 100211222110039. The reversal of 100211222110021 is 120011222112001.

It is a cyclic number.

It is not a de Polignac number, because 100211222110021 - 21 = 100211222110019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100211222109977 and 100211222110004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100211222110421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30921136 + ... + 34007926.

It is an arithmetic number, because the mean of its divisors is an integer number (6900471040536).

Almost surely, 2100211222110021 is an apocalyptic number.

100211222110021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

100211222110021 is a deficient number, since it is larger than the sum of its proper divisors (10196314538555).

100211222110021 is a wasteful number, since it uses less digits than its factorization.

100211222110021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3116124.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 100211222110021 its reverse (120011222112001), we get a palindrome (220222444222022).

The spelling of 100211222110021 in words is "one hundred trillion, two hundred eleven billion, two hundred twenty-two million, one hundred ten thousand, twenty-one".

Divisors: 1 11 101 1111 29221 321431 2951321 3086791 32464531 33954701 311765891 3429424801 90199119811 992190317921 9110111100911 100211222110021