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100222222112111 = 11471928910049947
BaseRepresentation
bin10110110010011011001101…
…111100101001010101101111
3111010212011001222102110210102
4112302123031330221111233
5101114020102330041421
6553053241521501315
730052550044006151
oct2662331574512557
9433764058373712
10100222222112111
1129a3000765a090
12b2a78a34a183b
1343bcbb8313c88
141aa6ad2370ad1
15b8c023ae860b
hex5b26cdf2956f

100222222112111 has 16 divisors (see below), whose sum is σ = 111665374225920. Its totient is φ = 89167944886080.

The previous prime is 100222222112107. The next prime is 100222222112123. The reversal of 100222222112111 is 111211222222001.

It is a cyclic number.

It is not a de Polignac number, because 100222222112111 - 22 = 100222222112107 is a prime.

It is a super-2 number, since 2×1002222221121112 (a number of 29 digits) 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 (100222222112171) 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, 4947440 + ... + 14997386.

It is an arithmetic number, because the mean of its divisors is an integer number (6979085889120).

Almost surely, 2100222222112111 is an apocalyptic number.

100222222112111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

100222222112111 is a deficient number, since it is larger than the sum of its proper divisors (11443152113809).

100222222112111 is a wasteful number, since it uses less digits than its factorization.

100222222112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10069294.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 100222222112111 its reverse (111211222222001), we get a palindrome (211433444334112).

The spelling of 100222222112111 in words is "one hundred trillion, two hundred twenty-two billion, two hundred twenty-two million, one hundred twelve thousand, one hundred eleven".

Divisors: 1 11 47 517 19289 212179 906583 9972413 10049947 110549417 472347509 5195822599 193853427683 2132387704513 9111111101101 100222222112111