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100212022111 = 791268506609
BaseRepresentation
bin101110101010100011…
…0100001101101011111
3100120122221121011220111
41131111012201231133
53120213234201421
6114011535230451
710145230063525
oct1352506415537
9316587534814
10100212022111
113955508a493
1217508978427
1395b0715b06
144bc9292315
152917b6aee1
hex17551a1b5f

100212022111 has 4 divisors (see below), whose sum is σ = 101480528800. Its totient is φ = 98943515424.

The previous prime is 100212022103. The next prime is 100212022123. The reversal of 100212022111 is 111220212001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111220212001 = 591885088339.

It is a cyclic number.

It is not a de Polignac number, because 100212022111 - 23 = 100212022103 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100212022091 and 100212022100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100212022711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 634253226 + ... + 634253383.

It is an arithmetic number, because the mean of its divisors is an integer number (25370132200).

Almost surely, 2100212022111 is an apocalyptic number.

100212022111 is a deficient number, since it is larger than the sum of its proper divisors (1268506689).

100212022111 is an equidigital number, since it uses as much as digits as its factorization.

100212022111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268506688.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 100212022111 its reverse (111220212001), we get a palindrome (211432234112).

The spelling of 100212022111 in words is "one hundred billion, two hundred twelve million, twenty-two thousand, one hundred eleven".

Divisors: 1 79 1268506609 100212022111