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122111000002 = 22910120999931
BaseRepresentation
bin111000110111001100…
…0011111110111000010
3102200012010101112002201
41301232120133313002
54000040404000002
6132032542303414
711552011242235
oct1615630376702
9380163345081
10122111000002
1147872526722
121b7ba887b6a
13b690656cb4
145ca585741c
15329a492087
hex1c6e61fdc2

122111000002 has 32 divisors (see below), whose sum is σ = 191469096000. Its totient is φ = 58332792000.

The previous prime is 122110999981. The next prime is 122111000009. The reversal of 122111000002 is 200000111221.

It is a super-2 number, since 2×1221110000022 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122111000009) 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, 12290977 + ... + 12300907.

It is an arithmetic number, because the mean of its divisors is an integer number (5983409250).

Almost surely, 2122111000002 is an apocalyptic number.

122111000002 is a deficient number, since it is larger than the sum of its proper divisors (69358095998).

122111000002 is a wasteful number, since it uses less digits than its factorization.

122111000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12162.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 122111000002 its reverse (200000111221), we get a palindrome (322111111223).

The spelling of 122111000002 in words is "one hundred twenty-two billion, one hundred eleven million, two", and thus it is an aban number.

Divisors: 1 2 29 58 101 202 2099 2929 4198 5858 9931 19862 60871 121742 211999 287999 423998 575998 1003031 2006062 6147971 12295942 20845169 29087899 41690338 58175798 604509901 1209019802 2105362069 4210724138 61055500001 122111000002