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2111111110022 = 21055555555011
BaseRepresentation
bin11110101110001000000…
…001110001110110000110
321110211010222000001202012
4132232020001301312012
5234042023421010042
64253455301414222
7305344205233235
oct36561001616606
97424128001665
102111111110022
11744354204342
122a1192a0a372
13124100001b15
147426d464b1c
1539dac902e82
hex1eb88071d86

2111111110022 has 4 divisors (see below), whose sum is σ = 3166666665036. Its totient is φ = 1055555555010.

The previous prime is 2111111110001. The next prime is 2111111110027. The reversal of 2111111110022 is 2200111111112.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 2111111109979 and 2111111110006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111111110027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527777777504 + ... + 527777777507.

It is an arithmetic number, because the mean of its divisors is an integer number (791666666259).

Almost surely, 22111111110022 is an apocalyptic number.

2111111110022 is a deficient number, since it is larger than the sum of its proper divisors (1055555555014).

2111111110022 is a wasteful number, since it uses less digits than its factorization.

2111111110022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055555555013.

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

Adding to 2111111110022 its reverse (2200111111112), we get a palindrome (4311222221134).

The spelling of 2111111110022 in words is "two trillion, one hundred eleven billion, one hundred eleven million, one hundred ten thousand, twenty-two".

Divisors: 1 2 1055555555011 2111111110022